Chico, age 16, wants to become an architect like his father. However, Chico has been tested and found to have a specific learning disability in mathematics. Chico may need to reconsider his career plans based upon this information. According to Ginzberg, Chico is in the __________ period of career choice.

A researcher asks a depressed adolescent to list traits or characteristics that most accurately

describe their usual behavior and personality. This researcher is assessing: A) self-representation. B) self-esteem. C) self-worth. D) None of the above. This assessment would not be valid because of the psychological state of the adolescent.

William has 20 students take a test on two different occasions. What would be the df if he wanted to compare the mean scores from both occasions?

a. 39 b. 38 c. 19 d. 18