A psychologist notes that there is a correlation between physical health and the number of vacations that a person takes. According to him, people who take more vacations tend to have better physical health. After thinking about this result, you realize that this association may be due to a third factor: income. People with more income can afford more vacations and can afford better health care. Your explanation for this is most consistent with which limitation of correlational research?
A)The bidirectional causality problem
B)The third variable problem
C)The placebo effect
D)Experimenter expectancy effects

Question

Quizplus · Accepted Answer

The explanation provided is most consistent with the third variable problem, which occurs when the observed correlation between two variables is actually due to the influence of a third variable. In this case, the third variable is income, which could be influencing both the number of vacations a person takes and their physical health.

A Psychologist Notes That There Is a Correlation Between Physical