Publication Date
| In 2025 | 0 |
| Since 2024 | 0 |
| Since 2021 (last 5 years) | 0 |
| Since 2016 (last 10 years) | 0 |
| Since 2006 (last 20 years) | 1 |
Descriptor
| Adolescents | 1 |
| Adults | 1 |
| Antisocial Behavior | 1 |
| Comparative Analysis | 1 |
| Computation | 1 |
| Computer Uses in Education | 1 |
| Computers | 1 |
| Effect Size | 1 |
| Group Dynamics | 1 |
| Individual Differences | 1 |
| Intervals | 1 |
| More ▼ | |
Source
| Psychological Methods | 1 |
Author
| Kelley, Ken | 1 |
| Rausch, Joseph R. | 1 |
Publication Type
| Journal Articles | 1 |
| Reports - Descriptive | 1 |
Education Level
| Adult Education | 1 |
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Peer reviewed
Direct linkKelley, Ken; Rausch, Joseph R. – Psychological Methods, 2011
Longitudinal studies are necessary to examine individual change over time, with group status often being an important variable in explaining some individual differences in change. Although sample size planning for longitudinal studies has focused on statistical power, recent calls for effect sizes and their corresponding confidence intervals…
Descriptors: Intervals, Sample Size, Effect Size, Longitudinal Studies
