Targeted school-based interventions data (K-6)

Data from a meta-analysis of the effects of targeted school-based interventions on reading and mathematics for students with or at risk of academic difficulties in Grades K-6 (Dietrichson et al., 2021)

Usage

Dietrichson2021_data

Format

A tibble with 1334 rows/studies and 71 variables/columns

Authors	character	variable with short-hand information about authors.
Study_ID	integer	Number identifying the study cluster.
Title	character	Title of report/journal article.
Outlet	character	Variable with information about outlet for the study, i.e., either a journal or a dissertation or a report etc.
Country	character	Variable with information about the country where the intervention was conducted.
Language	character	Variable with information about the language used in the study.
Publishing_status	character	Indicator equal to one if the study has been published in a journal.
RCT_QES	character	Variable denoting whether the effect size is from a RCT or a QES
Level_treatment_assignment	character	Variable indicating the level of treatment assignment.
Test_subject	character	Variable denoting the subject of test the effect size is based on (reading or math).
Estimation_method	character	Variable indicating the type of estimation method the effect estimate is taken from (e.g., raw means, adjusted means, regression adjusted).
Effectsize_g	numeric	Effect size, Hedges' g, not adjusted for clustering.
SE_g	numeric	The standard error of the effect size, not adjusted for clustering.

References

Dietrichson, J., Filges, T., Seerup, J. K., Klokker, R. H., Viinholt, B. C. A., Bøg, M., & Eiberg, M. (2021). Targeted school-based interventions for improving reading and mathematics for students with or at risk of academic difficulties in Grades K-6: A systematic review. Campbell Systematic Reviews, 17(2), e1152. doi:10.1002/cl2.1152