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Open access

Research article

First published 2026

Stakeholder views about the responsibilities of principal investigators in multicenter randomized controlled trials

Steven Joffe, Elizabeth F Bair, Katharine A Gleason [...]

Clinical Trials

Retricted access

Research article

First published 2007-10

Principals as Agents? Investigating Accountability in the Compensation and Performance of School Principals

Sherrilyn M. Billger

ILR Review

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Research article

First published 2019-9

Investigating the Relationship Between Turnaround Principal Competencies and Student Achievement

Dallas Hambrick Hitt, Coby V. Meyers, Dennis Woodruff [...]

NASSP Bulletin

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Research article

First published 2017-9

Baseline Assessment of a Global Clinical Investigator Landscape Poised for Structural Change

Kenneth Getz, Carrie Brown, Stella Stergiopoulos [...]

Therapeutic Innovation & Regulatory Science

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Research article

First published 2023-7

Investigating the triangle: The school principal’s role,term of office,and school improvement in Greece

Eleni A Katsigianni, Amalia A Ifanti

Educational Management Administration & Leadership

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Research article

First published 1974-10

An Investigation of the Effect of the Number of Scale Intervals on Principal Components Factor Analysis

Warren S. Martin, Benjamin Fruchter, William J. Mathis

Educational and Psychological Measurement

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Research article

First published 2022-1

School Principals Putting Bullying Policy to Practice

James Brown, John Keesler, Isaac Karikari [...]

Journal of Interpersonal Violence

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Research article

First published 2011-12

Principles of Investigation

Joseph H. Davis

Academic Forensic Pathology

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Article commentary

First published 2025-06

Principal Investigator Responsibility for Flagging Research with Dual-Use or Pandemic Risk

Marc Lipsitch

Applied Biosafety

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Research article

First published 2024-9

Investigating the leadership styles and national culture of Emirati female school principals

Soulafa A Al Khatib

Educational Management Administration & Leadership

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