estimate_impact {repsd}

Estimate the effect size difference between focal and composite group abilities

Description

Estimate the effect size difference between focal and composite group abilities

Usage

estimate_impact(responses = timmsData, focal_column = 21, focal_id = 1)

Arguments

responses

The data.frame of responses, including the focal_column.

focal_column

The numeric location of the focal column.

focal_id

The numeric, character, or logical value that identifies the focal group.

Value

A numeric estimate of the impact as the effect size D, e.g., the standardized mean theta difference between the focal group and the composite (total) group abilities. This estimate is rounded to 3 decimal places.