Sage Journals: Discover world-class research

Open access

Research article

First published 2023-9

Speaking Stata: Replacing missing values: The easiest problems

Nicholas J. Cox

The Stata Journal: Promoting communications on statistics and Stata

Retricted access

Research article

First published 2022-4

Longitudinal and reciprocal relationships between self-esteem,school adjustment,and happiness in Korean secondary school students

Hyoyeon In

School Psychology International

Retricted access

Research article

First published 2023-4

Integrating multiple time-scales to advance relationship science

Saeideh Heshmati, David A. Sbarra, Lizbeth Benson

Journal of Social and Personal Relationships

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Research article

First published 2017-10

Browsing,Posting,and Liking on Instagram: The Reciprocal Relationships Between Different Types of Instagram Use and Adolescents' Depressed Mood

Eline Frison, Steven Eggermont

Cyberpsychology,Behavior,and Social Networking

Open access

Research article

First published 2025-10

A Primer on Fixed Effects and Fixed-Effects Panel Modeling Using R,Stata,and SPSS

Nicolas Sommet, Oliver Lipps

Advances in Methods and Practices in Psychological Science

Open access

Research article

First published 2022-8

Are Leaders and Followers Receiving What They Give? A Long-Term Examination of the Reciprocal Relationship Between Relative LMX and Relative OCB-Helping

Michel Tremblay, Xavier Parent-Rocheleau, Pegah Sajadi

Journal of Leadership & Organizational Studies

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Research article

First published 2019-9

Time Really Matters: Understanding the Temporal Dimension of Online Learning Using Educational Data Mining

Hengtao Tang, Wanli Xing, Bo Pei

Journal of Educational Computing Research

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Research article

First published 2002-07

The Relationship Between Intimate Partner Violence and the Use of Addictive Substances in Poor and Homeless Single Mothers

Amy Salomon, Shari S. Bassuk, Nicholas Huntington

Violence Against Women

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Research article

First published 2025

Longitudinal Study of P3a Potential in First-Episode Schizophrenia

Müge Devrim-Üçok, Betül Kıvanç-İnanöz, Yasemin Keskin-Ergen [...]

Clinical EEG and Neuroscience

Open access

Research article

First published 2025-4

Frailty in motion: Amnestic mild cognitive impairment and Alzheimer's disease cohorts display heterogeneity in multimorbidity classification and longitudinal transitions

Linzy Bohn, Yao Zheng, G Peggy McFall [...]

Journal of Alzheimer’s Disease

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