In the n-way cross tabulation, the combined effect of a 'lurking variable' with different group sizes is an example of:
A) the multicollinearity effect.
B) Simpson's Paradox.
C) the communality effect.
D) the Hawthorne effect.

Question

Quizplus · Accepted Answer

Simpson's Paradox occurs when a trend appears in different groups of data, but disappears or reverses when the groups are combined. In the n-way cross tabulation, the lurking variable can create this effect when the group sizes are different, leading to the appearance of a trend in one or more groups but not in the overall data. The other options (multicollinearity, communality, and Hawthorne effects) do not specifically relate to the combination of different group sizes in a cross tabulation.

In the N-Way Cross Tabulation, the Combined Effect of a 'Lurking