Which of the following reflects the importance of eating breakfast? a. People who eat breakfast frequently have a lower BMI than those who avoid breakfast. b. Skipping breakfast reduces energy intake and causes weight loss. c. The "dinner diet" has proven more effective than the "breakfast diet." d. Eating breakfast just once each week has the same benefits as eating breakfast every day. e. People who skip breakfast have lower daily energy intakes than breakfast eaters.

Pj conducts an experimental study on the effects of soft music during high stakes science testing. he randomly assigns students at the school. in one condition he does not provide music for testing while in the other group he does provide the music. he administers a pretest at the beginning of the year and a posttest at the end of the year. pj’s design is best described as a: a. static group comparisonb. pretest-posttest control group designc. control-group-time-series designd. nonrandomized control-group pretest-posttest design