lordex {mrt}R Documentation

Illustrating Lord's Paradox

Description

These are data based on London, Bruck and Melnyk (2008) on children's suggestibility and are used to illustrate Lord's paradox (Wright, 2006).

Usage

data(lordex)

Format

A data frame with 51 observations on the following 3 variables.

AGEMOS
a numeric vector
Final
a numeric vector
Initial
a numeric vector

References

London, K., Bruck, M., & Melnyk, L. (2008). Persistence of facilitation and misinformation effects in event memory following a 10 month delay. Law and Human Behavior. Wright, D. B. (2006b). Comparing groups in a before-after design: When t-test and ANCOVA produce different results. British Journal of Educational Psychology, 76, 663-675.


[Package mrt version 0.3 Index]