A researcher wants to see if there is a relationship between a person's birth order and his or her leadership ability. The best method for answering this question would be

The ____ method uses independent and dependent variables to reveal cause-and-effect relationship.

a) correlational b) descriptive c) experimental d) observational

Leo scored a 105 on the Stanford-Binet Intelligence Scale. Based on this score, we can predict that Leo is

a. in need of alternative remedial education. c. eligible for gifted education. b. average. d. nothing can be predicted based on this score.