Suppose you cross tabulate consumption rates with income and find no apparent relationship.When age is introduced you find that there is a relationship between consumption and income within age groups.This is an example of a(n)________ variable at work.
A) Antecedent
B) Component
C) Extraneous
D) Intervening
E) Suppresser

Question

Quizplus · Accepted Answer

A suppressor variable is one that conceals or reduces the apparent relationship between two other variables until it is controlled for or introduced, revealing the true relationship. In this case, age acts as a suppressor variable.

Suppose You Cross Tabulate Consumption Rates with Income and Find