Effectsize: Effect size

In SSDforR: Functions to Analyze Single System Data

Effect size

Description

The effect size function automatically displays the percent change and calculated values for both the ES and d-index for any two phases. Information for interpretting calculated values appears in the Console.

Usage

Effectsize(behavior, phaseX, v1, v2)

Arguments

behavior	behavior variable
phaseX	phase variable
v1	first phase letter between quotation marks (e.g., "A")
v2	second phase letter between quotation marks (e.g., "B")

Author(s)

Charles Auerbach, PhD Wurzweiler School of Social Work Wendy Zeitlin, PhD Montclair State University

References

Auerbach, Charles, and Zeitlin Wendy. SSD for R: An R Package for Analyzing Single-Subject Data. Oxford University Press, 2014. p56-57, p103, p135

Cohen, J.(1988).Statistical Power analysis for the behavioral sciences (2nd ed). Hillsdale, NJ: Lawrence Erlbaum Associates, Inc.

Glass, G. V., McGaw, B., & Smith, M. L. (1981) Meta-analysis in social research. Thousand Oaks, CA: SAGE Publications, Inc.

Bloom, M., Fischer, J. & Orme, J.G. (2009). Evaluating practice: Guidelines for the accountable professional (6th ed.). New York: Pearson.

Go to www.ssdanalysis.com for more information.

Examples

cry<-c(3, 4, 2, 5, 3, 4, NA, 2, 2, 3, 2, 1, 2, NA, 2, 2, 1, 2, 1, 0, 0, 0)
pcry<-c("A", "A", "A", "A", "A", "A", NA, "B", "B", "B", "B", "B", "B", NA, 
"B1", "B1", "B1", "B1", "B1", "B1", "B1", "B1")
Effectsize(cry,pcry,"A","B")

SSDforR documentation built on Nov. 24, 2023, 5:08 p.m.