A study on cognitive abilities compared data collected simultaneously from people of different ages.A major confounding variable in this type of study is ____.
A) the typically high attrition rate
B) the Hawthorne effect
C) that there is no control group
D) that experiential differences might account for IQ score differences

Question

Quizplus · Accepted Answer

Experiential differences, such as educational level, access to resources, and exposure to different cultural experiences, can affect cognitive abilities and could therefore confound the study's results. The other options (attrition rate, Hawthorne effect, and lack of control group) may also pose challenges in a cognitive abilities study, but they are not directly related to the confounding variable of experiential differences.

A Study on Cognitive Abilities Compared Data Collected Simultaneously from People