250 Primary Source Examples

A diary written during a strike can be a primary source for one participant’s experience of the strike.

A later historian’s book about that diary is a secondary source for the same question.

Raw survey responses are primary data for a study analyzing those responses.

A published research article can be a primary source when studying the experiment it reports.

A novel is a primary text for literary analysis of that novel even though it is fictional.

A government census table can serve as primary evidence for historical demographic analysis.

An oral-history interview is primary testimony but still reflects memory, selection, and interview conditions.

A photograph can document visible details while leaving motives, off-frame events, and circumstances unresolved.

Meeting minutes documenting how weekly retrieval quizzes was introduced for first-year college students in introductory biology courses.

Meeting minutes containing first-hand evidence about exam recall before or after weekly retrieval quizzes.

Raw survey responses documenting how weekly retrieval quizzes was introduced for first-year college students in introductory biology courses.

Raw survey responses containing first-hand evidence about exam recall before or after weekly retrieval quizzes.

An interview transcript documenting how weekly retrieval quizzes was introduced for first-year college students in introductory biology courses.

An interview transcript containing first-hand evidence about exam recall before or after weekly retrieval quizzes.

A policy issued by the organization documenting how weekly retrieval quizzes was introduced for first-year college students in introductory biology courses.

A policy issued by the organization containing first-hand evidence about exam recall before or after weekly retrieval quizzes.

A dated project log documenting how weekly retrieval quizzes was introduced for first-year college students in introductory biology courses.

A dated project log containing first-hand evidence about exam recall before or after weekly retrieval quizzes.

A photograph from the event documenting how weekly retrieval quizzes was introduced for first-year college students in introductory biology courses.

A photograph from the event containing first-hand evidence about exam recall before or after weekly retrieval quizzes.

A contemporaneous email documenting how weekly retrieval quizzes was introduced for first-year college students in introductory biology courses.

A contemporaneous email containing first-hand evidence about exam recall before or after weekly retrieval quizzes.

A dataset collected for the study documenting how weekly retrieval quizzes was introduced for first-year college students in introductory biology courses.

A dataset collected for the study containing first-hand evidence about exam recall before or after weekly retrieval quizzes.

A signed agreement documenting how weekly retrieval quizzes was introduced for first-year college students in introductory biology courses.

A signed agreement containing first-hand evidence about exam recall before or after weekly retrieval quizzes.

A laboratory notebook documenting how weekly retrieval quizzes was introduced for first-year college students in introductory biology courses.

A laboratory notebook containing first-hand evidence about exam recall before or after weekly retrieval quizzes.

A speech transcript documenting how weekly retrieval quizzes was introduced for first-year college students in introductory biology courses.

A speech transcript containing first-hand evidence about exam recall before or after weekly retrieval quizzes.

An original diary entry documenting how weekly retrieval quizzes was introduced for first-year college students in introductory biology courses.

An original diary entry containing first-hand evidence about exam recall before or after weekly retrieval quizzes.

Meeting minutes documenting how a later school start time was introduced for middle-school students in a public school district.

Meeting minutes containing first-hand evidence about attendance and first-period alertness before or after a later school start time.

Raw survey responses documenting how a later school start time was introduced for middle-school students in a public school district.

Raw survey responses containing first-hand evidence about attendance and first-period alertness before or after a later school start time.

An interview transcript documenting how a later school start time was introduced for middle-school students in a public school district.

An interview transcript containing first-hand evidence about attendance and first-period alertness before or after a later school start time.

A policy issued by the organization documenting how a later school start time was introduced for middle-school students in a public school district.

A policy issued by the organization containing first-hand evidence about attendance and first-period alertness before or after a later school start time.

A dated project log documenting how a later school start time was introduced for middle-school students in a public school district.

A dated project log containing first-hand evidence about attendance and first-period alertness before or after a later school start time.

A photograph from the event documenting how a later school start time was introduced for middle-school students in a public school district.

A photograph from the event containing first-hand evidence about attendance and first-period alertness before or after a later school start time.

A contemporaneous email documenting how a later school start time was introduced for middle-school students in a public school district.

A contemporaneous email containing first-hand evidence about attendance and first-period alertness before or after a later school start time.

A dataset collected for the study documenting how a later school start time was introduced for middle-school students in a public school district.

A dataset collected for the study containing first-hand evidence about attendance and first-period alertness before or after a later school start time.

A signed agreement documenting how a later school start time was introduced for middle-school students in a public school district.

A signed agreement containing first-hand evidence about attendance and first-period alertness before or after a later school start time.

A laboratory notebook documenting how a later school start time was introduced for middle-school students in a public school district.

A laboratory notebook containing first-hand evidence about attendance and first-period alertness before or after a later school start time.

A speech transcript documenting how a later school start time was introduced for middle-school students in a public school district.

A speech transcript containing first-hand evidence about attendance and first-period alertness before or after a later school start time.

An original diary entry documenting how a later school start time was introduced for middle-school students in a public school district.

An original diary entry containing first-hand evidence about attendance and first-period alertness before or after a later school start time.

Meeting minutes documenting how peer-review checklists was introduced for high-school writers in argumentative essay units.

Meeting minutes containing first-hand evidence about revision quality before or after peer-review checklists.

Raw survey responses documenting how peer-review checklists was introduced for high-school writers in argumentative essay units.

Raw survey responses containing first-hand evidence about revision quality before or after peer-review checklists.

An interview transcript documenting how peer-review checklists was introduced for high-school writers in argumentative essay units.

An interview transcript containing first-hand evidence about revision quality before or after peer-review checklists.

A policy issued by the organization documenting how peer-review checklists was introduced for high-school writers in argumentative essay units.

A policy issued by the organization containing first-hand evidence about revision quality before or after peer-review checklists.

A dated project log documenting how peer-review checklists was introduced for high-school writers in argumentative essay units.

A dated project log containing first-hand evidence about revision quality before or after peer-review checklists.

A photograph from the event documenting how peer-review checklists was introduced for high-school writers in argumentative essay units.

A photograph from the event containing first-hand evidence about revision quality before or after peer-review checklists.

A contemporaneous email documenting how peer-review checklists was introduced for high-school writers in argumentative essay units.

A contemporaneous email containing first-hand evidence about revision quality before or after peer-review checklists.

A dataset collected for the study documenting how peer-review checklists was introduced for high-school writers in argumentative essay units.

A dataset collected for the study containing first-hand evidence about revision quality before or after peer-review checklists.

A signed agreement documenting how peer-review checklists was introduced for high-school writers in argumentative essay units.

A signed agreement containing first-hand evidence about revision quality before or after peer-review checklists.

A laboratory notebook documenting how peer-review checklists was introduced for high-school writers in argumentative essay units.

A laboratory notebook containing first-hand evidence about revision quality before or after peer-review checklists.

A speech transcript documenting how peer-review checklists was introduced for high-school writers in argumentative essay units.

A speech transcript containing first-hand evidence about revision quality before or after peer-review checklists.

An original diary entry documenting how peer-review checklists was introduced for high-school writers in argumentative essay units.

An original diary entry containing first-hand evidence about revision quality before or after peer-review checklists.

Meeting minutes documenting how worked examples was introduced for online learners in asynchronous college courses.

Meeting minutes containing first-hand evidence about assignment completion before or after worked examples.

Raw survey responses documenting how worked examples was introduced for online learners in asynchronous college courses.

Raw survey responses containing first-hand evidence about assignment completion before or after worked examples.

An interview transcript documenting how worked examples was introduced for online learners in asynchronous college courses.

An interview transcript containing first-hand evidence about assignment completion before or after worked examples.

A policy issued by the organization documenting how worked examples was introduced for online learners in asynchronous college courses.

A policy issued by the organization containing first-hand evidence about assignment completion before or after worked examples.

A dated project log documenting how worked examples was introduced for online learners in asynchronous college courses.

A dated project log containing first-hand evidence about assignment completion before or after worked examples.

A photograph from the event documenting how worked examples was introduced for online learners in asynchronous college courses.

A photograph from the event containing first-hand evidence about assignment completion before or after worked examples.

A contemporaneous email documenting how worked examples was introduced for online learners in asynchronous college courses.

A contemporaneous email containing first-hand evidence about assignment completion before or after worked examples.

A dataset collected for the study documenting how worked examples was introduced for online learners in asynchronous college courses.

A dataset collected for the study containing first-hand evidence about assignment completion before or after worked examples.

A signed agreement documenting how worked examples was introduced for online learners in asynchronous college courses.

A signed agreement containing first-hand evidence about assignment completion before or after worked examples.

A laboratory notebook documenting how worked examples was introduced for online learners in asynchronous college courses.

A laboratory notebook containing first-hand evidence about assignment completion before or after worked examples.

A speech transcript documenting how worked examples was introduced for online learners in asynchronous college courses.

A speech transcript containing first-hand evidence about assignment completion before or after worked examples.

An original diary entry documenting how worked examples was introduced for online learners in asynchronous college courses.

An original diary entry containing first-hand evidence about assignment completion before or after worked examples.

Meeting minutes documenting how spaced practice was introduced for language learners in beginner vocabulary courses.

Meeting minutes containing first-hand evidence about long-term vocabulary retention before or after spaced practice.

Raw survey responses documenting how spaced practice was introduced for language learners in beginner vocabulary courses.

Raw survey responses containing first-hand evidence about long-term vocabulary retention before or after spaced practice.

An interview transcript documenting how spaced practice was introduced for language learners in beginner vocabulary courses.

An interview transcript containing first-hand evidence about long-term vocabulary retention before or after spaced practice.

A policy issued by the organization documenting how spaced practice was introduced for language learners in beginner vocabulary courses.

A policy issued by the organization containing first-hand evidence about long-term vocabulary retention before or after spaced practice.

A dated project log documenting how spaced practice was introduced for language learners in beginner vocabulary courses.

A dated project log containing first-hand evidence about long-term vocabulary retention before or after spaced practice.

A photograph from the event documenting how spaced practice was introduced for language learners in beginner vocabulary courses.

A photograph from the event containing first-hand evidence about long-term vocabulary retention before or after spaced practice.

A contemporaneous email documenting how spaced practice was introduced for language learners in beginner vocabulary courses.

A contemporaneous email containing first-hand evidence about long-term vocabulary retention before or after spaced practice.

A dataset collected for the study documenting how spaced practice was introduced for language learners in beginner vocabulary courses.

A dataset collected for the study containing first-hand evidence about long-term vocabulary retention before or after spaced practice.

A signed agreement documenting how spaced practice was introduced for language learners in beginner vocabulary courses.

A signed agreement containing first-hand evidence about long-term vocabulary retention before or after spaced practice.

A laboratory notebook documenting how spaced practice was introduced for language learners in beginner vocabulary courses.

A laboratory notebook containing first-hand evidence about long-term vocabulary retention before or after spaced practice.

A speech transcript documenting how spaced practice was introduced for language learners in beginner vocabulary courses.

A speech transcript containing first-hand evidence about long-term vocabulary retention before or after spaced practice.

An original diary entry documenting how spaced practice was introduced for language learners in beginner vocabulary courses.

An original diary entry containing first-hand evidence about long-term vocabulary retention before or after spaced practice.

Meeting minutes documenting how rubric exemplars was introduced for teachers in multi-section writing courses.

Meeting minutes containing first-hand evidence about grading consistency before or after rubric exemplars.

Raw survey responses documenting how rubric exemplars was introduced for teachers in multi-section writing courses.

Raw survey responses containing first-hand evidence about grading consistency before or after rubric exemplars.

An interview transcript documenting how rubric exemplars was introduced for teachers in multi-section writing courses.

An interview transcript containing first-hand evidence about grading consistency before or after rubric exemplars.

A policy issued by the organization documenting how rubric exemplars was introduced for teachers in multi-section writing courses.

A policy issued by the organization containing first-hand evidence about grading consistency before or after rubric exemplars.

A dated project log documenting how rubric exemplars was introduced for teachers in multi-section writing courses.

A dated project log containing first-hand evidence about grading consistency before or after rubric exemplars.

A photograph from the event documenting how rubric exemplars was introduced for teachers in multi-section writing courses.

A photograph from the event containing first-hand evidence about grading consistency before or after rubric exemplars.

A contemporaneous email documenting how rubric exemplars was introduced for teachers in multi-section writing courses.

A contemporaneous email containing first-hand evidence about grading consistency before or after rubric exemplars.

A dataset collected for the study documenting how rubric exemplars was introduced for teachers in multi-section writing courses.

A dataset collected for the study containing first-hand evidence about grading consistency before or after rubric exemplars.

A signed agreement documenting how rubric exemplars was introduced for teachers in multi-section writing courses.

A signed agreement containing first-hand evidence about grading consistency before or after rubric exemplars.

A laboratory notebook documenting how rubric exemplars was introduced for teachers in multi-section writing courses.

A laboratory notebook containing first-hand evidence about grading consistency before or after rubric exemplars.

A speech transcript documenting how rubric exemplars was introduced for teachers in multi-section writing courses.

A speech transcript containing first-hand evidence about grading consistency before or after rubric exemplars.

An original diary entry documenting how rubric exemplars was introduced for teachers in multi-section writing courses.

An original diary entry containing first-hand evidence about grading consistency before or after rubric exemplars.

Meeting minutes documenting how written decision logs was introduced for distributed software teams in remote product organizations.

Meeting minutes containing first-hand evidence about handoff errors before or after written decision logs.

Raw survey responses documenting how written decision logs was introduced for distributed software teams in remote product organizations.

Raw survey responses containing first-hand evidence about handoff errors before or after written decision logs.

An interview transcript documenting how written decision logs was introduced for distributed software teams in remote product organizations.

An interview transcript containing first-hand evidence about handoff errors before or after written decision logs.

A policy issued by the organization documenting how written decision logs was introduced for distributed software teams in remote product organizations.

A policy issued by the organization containing first-hand evidence about handoff errors before or after written decision logs.

A dated project log documenting how written decision logs was introduced for distributed software teams in remote product organizations.

A dated project log containing first-hand evidence about handoff errors before or after written decision logs.

A photograph from the event documenting how written decision logs was introduced for distributed software teams in remote product organizations.

A photograph from the event containing first-hand evidence about handoff errors before or after written decision logs.

A contemporaneous email documenting how written decision logs was introduced for distributed software teams in remote product organizations.

A contemporaneous email containing first-hand evidence about handoff errors before or after written decision logs.

A dataset collected for the study documenting how written decision logs was introduced for distributed software teams in remote product organizations.

A dataset collected for the study containing first-hand evidence about handoff errors before or after written decision logs.

A signed agreement documenting how written decision logs was introduced for distributed software teams in remote product organizations.

A signed agreement containing first-hand evidence about handoff errors before or after written decision logs.

A laboratory notebook documenting how written decision logs was introduced for distributed software teams in remote product organizations.

A laboratory notebook containing first-hand evidence about handoff errors before or after written decision logs.

A speech transcript documenting how written decision logs was introduced for distributed software teams in remote product organizations.

A speech transcript containing first-hand evidence about handoff errors before or after written decision logs.

An original diary entry documenting how written decision logs was introduced for distributed software teams in remote product organizations.

An original diary entry containing first-hand evidence about handoff errors before or after written decision logs.

Meeting minutes documenting how role-clarity meetings was introduced for new employees in hybrid workplaces.

Meeting minutes containing first-hand evidence about time to independent work before or after role-clarity meetings.

Raw survey responses documenting how role-clarity meetings was introduced for new employees in hybrid workplaces.

Raw survey responses containing first-hand evidence about time to independent work before or after role-clarity meetings.

An interview transcript documenting how role-clarity meetings was introduced for new employees in hybrid workplaces.

An interview transcript containing first-hand evidence about time to independent work before or after role-clarity meetings.

A policy issued by the organization documenting how role-clarity meetings was introduced for new employees in hybrid workplaces.

A policy issued by the organization containing first-hand evidence about time to independent work before or after role-clarity meetings.

A dated project log documenting how role-clarity meetings was introduced for new employees in hybrid workplaces.

A dated project log containing first-hand evidence about time to independent work before or after role-clarity meetings.

A photograph from the event documenting how role-clarity meetings was introduced for new employees in hybrid workplaces.

A photograph from the event containing first-hand evidence about time to independent work before or after role-clarity meetings.

A contemporaneous email documenting how role-clarity meetings was introduced for new employees in hybrid workplaces.

A contemporaneous email containing first-hand evidence about time to independent work before or after role-clarity meetings.

A dataset collected for the study documenting how role-clarity meetings was introduced for new employees in hybrid workplaces.

A dataset collected for the study containing first-hand evidence about time to independent work before or after role-clarity meetings.

A signed agreement documenting how role-clarity meetings was introduced for new employees in hybrid workplaces.

A signed agreement containing first-hand evidence about time to independent work before or after role-clarity meetings.

A laboratory notebook documenting how role-clarity meetings was introduced for new employees in hybrid workplaces.

A laboratory notebook containing first-hand evidence about time to independent work before or after role-clarity meetings.

A speech transcript documenting how role-clarity meetings was introduced for new employees in hybrid workplaces.

A speech transcript containing first-hand evidence about time to independent work before or after role-clarity meetings.

An original diary entry documenting how role-clarity meetings was introduced for new employees in hybrid workplaces.

An original diary entry containing first-hand evidence about time to independent work before or after role-clarity meetings.

Meeting minutes documenting how response templates was introduced for customer-support agents in subscription businesses.

Meeting minutes containing first-hand evidence about time to resolution before or after response templates.

Raw survey responses documenting how response templates was introduced for customer-support agents in subscription businesses.

Raw survey responses containing first-hand evidence about time to resolution before or after response templates.

An interview transcript documenting how response templates was introduced for customer-support agents in subscription businesses.

An interview transcript containing first-hand evidence about time to resolution before or after response templates.

A policy issued by the organization documenting how response templates was introduced for customer-support agents in subscription businesses.

A policy issued by the organization containing first-hand evidence about time to resolution before or after response templates.

A dated project log documenting how response templates was introduced for customer-support agents in subscription businesses.

A dated project log containing first-hand evidence about time to resolution before or after response templates.

A photograph from the event documenting how response templates was introduced for customer-support agents in subscription businesses.

A photograph from the event containing first-hand evidence about time to resolution before or after response templates.

A contemporaneous email documenting how response templates was introduced for customer-support agents in subscription businesses.

A contemporaneous email containing first-hand evidence about time to resolution before or after response templates.

A dataset collected for the study documenting how response templates was introduced for customer-support agents in subscription businesses.

A dataset collected for the study containing first-hand evidence about time to resolution before or after response templates.

A signed agreement documenting how response templates was introduced for customer-support agents in subscription businesses.

A signed agreement containing first-hand evidence about time to resolution before or after response templates.

A laboratory notebook documenting how response templates was introduced for customer-support agents in subscription businesses.

A laboratory notebook containing first-hand evidence about time to resolution before or after response templates.

A speech transcript documenting how response templates was introduced for customer-support agents in subscription businesses.

A speech transcript containing first-hand evidence about time to resolution before or after response templates.

An original diary entry documenting how response templates was introduced for customer-support agents in subscription businesses.

An original diary entry containing first-hand evidence about time to resolution before or after response templates.

Meeting minutes documenting how asynchronous status updates was introduced for project managers in cross-functional teams.

Meeting minutes containing first-hand evidence about weekly meeting hours before or after asynchronous status updates.

Raw survey responses documenting how asynchronous status updates was introduced for project managers in cross-functional teams.

Raw survey responses containing first-hand evidence about weekly meeting hours before or after asynchronous status updates.

An interview transcript documenting how asynchronous status updates was introduced for project managers in cross-functional teams.

An interview transcript containing first-hand evidence about weekly meeting hours before or after asynchronous status updates.

A policy issued by the organization documenting how asynchronous status updates was introduced for project managers in cross-functional teams.

A policy issued by the organization containing first-hand evidence about weekly meeting hours before or after asynchronous status updates.

A dated project log documenting how asynchronous status updates was introduced for project managers in cross-functional teams.

A dated project log containing first-hand evidence about weekly meeting hours before or after asynchronous status updates.

A photograph from the event documenting how asynchronous status updates was introduced for project managers in cross-functional teams.

A photograph from the event containing first-hand evidence about weekly meeting hours before or after asynchronous status updates.

A contemporaneous email documenting how asynchronous status updates was introduced for project managers in cross-functional teams.

A contemporaneous email containing first-hand evidence about weekly meeting hours before or after asynchronous status updates.

A dataset collected for the study documenting how asynchronous status updates was introduced for project managers in cross-functional teams.

A dataset collected for the study containing first-hand evidence about weekly meeting hours before or after asynchronous status updates.

A signed agreement documenting how asynchronous status updates was introduced for project managers in cross-functional teams.

A signed agreement containing first-hand evidence about weekly meeting hours before or after asynchronous status updates.

A laboratory notebook documenting how asynchronous status updates was introduced for project managers in cross-functional teams.

A laboratory notebook containing first-hand evidence about weekly meeting hours before or after asynchronous status updates.

A speech transcript documenting how asynchronous status updates was introduced for project managers in cross-functional teams.

A speech transcript containing first-hand evidence about weekly meeting hours before or after asynchronous status updates.

An original diary entry documenting how asynchronous status updates was introduced for project managers in cross-functional teams.

An original diary entry containing first-hand evidence about weekly meeting hours before or after asynchronous status updates.

Meeting minutes documenting how visual shift checklists was introduced for warehouse supervisors in regional distribution centers.

Meeting minutes containing first-hand evidence about missed handoff tasks before or after visual shift checklists.