Correlation cannot be used to test associations between two dichotomous variables

Modern cognitive psychologists have demonstrated that

a. behaviors based on mental images can be objectively measured. b. the experience of imagery can be shared. c. the ability to recognize images cannot be studied objectively. d. dualism is the most useful approach to the mind-body problem. e. structuralism was a more viable approach than functionalism.

Vocabulary and Similarities are part of what subscale of the Wechsler intelligence tests?

a) verbal b) nonverbal c) performance d) sequential processing