If an individual has schizophrenia, what is the probability that his dizygotic twin brother will also have schizophrenia?

Which of the following factors is NOT related to the compliance principle of liking?

a. repeated contact b. physical attraction c. similarity d. commitment

The dimensional component of the DSM-5 gives the evaluator the opportunity to ________

a. make yes–no judgments as to whether a person meets the criteria for a specific disorder or not b. identify "shades of gray" when diagnosing c. indicate when behaviors have a significant biological cause d. indicate when behaviors have a significant psychological cause