NotesFAQContact Us
Collection
Advanced
Search Tips
Publication Date
In 20250
Since 20240
Since 2021 (last 5 years)1
Since 2016 (last 10 years)1
Since 2006 (last 20 years)1
Descriptor
Bias1
Effect Size1
Intervention1
Program Effectiveness1
Quasiexperimental Design1
Randomized Controlled Trials1
Scores1
Source
International Journal of…1
Author
Foster, Colin1
Publication Type
Journal Articles1
Reports - Evaluative1
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Showing one result Save | Export
A Quotient Effect Size for Educational Interventions
Peer reviewed Peer reviewed
Direct linkDirect link
Foster, Colin – International Journal of Research & Method in Education, 2023
This paper introduces a simple, quotient effect size, termed (for 'quotient'), suitable for reporting on the effectiveness of educational interventions. The quotient effect size for a pre-test-post-test design is defined as the gain score (i.e. post-test minus pre-test) for the intervention group, divided by the gain score for the control group.…
Descriptors: Effect Size, Intervention, Bias, Randomized Controlled Trials