"Hoarding" is a dramatic symptom of obsessive-compulsive disorder

Which of the following is a serious shortcoming of the correlational approach?

a. It is difficult for social psychologists to secure a random sample. b. Causal inferences based on correlational data are often faulty. c. There is always some third variable that accounts for the correlation. d. Surveys are often poorly designed, leading to erroneous conclusions.

Danelle is trying to make a perceptual decision. Based on research, scientists would expect that she would have activity in her frontal orienting fields while trying to decide.

Answer the following statement true (T) or false (F)