HedgesOlkin85_df: Effects of Open Education Reported by Hedges and Olkin (1985)

In educationR: A Comprehensive Collection of Educational Datasets

Effects of Open Education Reported by Hedges and Olkin (1985)

Description

This dataset, HedgesOlkin85_df, is a data frame containing data from Hedges and Olkin's 1985 study on the effects of open education. The dataset includes variables related to attitudes toward school and reading achievement in students, based on the meta-analysis reported in their work. This data was used to investigate the effects of open education.

Usage

data(HedgesOlkin85_df)

Format

A data frame with 4 observations and 6 variables:

study

Study identifier (numeric).

d_att

Effect size for attitude toward school (numeric).

d_ach

Effect size for reading achievement (numeric).

var_att

Variance of the attitude effect size (numeric).

cov_att_ach

Covariance between attitude and achievement (numeric).

var_ach

Variance of the achievement effect size (numeric).

Details

The dataset name has been kept as 'HedgesOlkin85_df' to avoid confusion with other datasets in the R ecosystem. This naming convention helps distinguish this dataset as part of the educationR package and assists users in identifying its specific characteristics. The suffix 'df' indicates that the dataset is a data frame. The original content has not been modified in any way.

Source

The dataset was taken from the metaSEM package.

References

Hedges, L. V., & Olkin, I. (1985). Statistical methods for meta-analysis. Orlando, FL: Academic Press.

educationR documentation built on April 12, 2025, 1:39 a.m.