Which research question below is appropriate for a related-samples t test?
A. to compare the level of honesty (based on an honesty scale) in politicians to the level of honesty in students
B. to compare the level of sat scores at the beginning of a preparation class to their sat scores at the end of the class
C. to examine the association between liking for energy drinks and tendency to be a "morning person" among a group of students
D. to compare the scores on a optimism measure between two universities
Answer: B
You might also like to view...
Mia continued to drink heavily with her friends throughout her pregnancy. Her son, now four, has physical abnormalities, including an underdeveloped jaw and thin upper lip, and cognitive and behavioral problems. He most likely has ____.?
a. ?Down syndrome b. ?fetal alcohol syndrome c. ?hydrocephalus d. ?spina bifida
The phenomenon whereby most people cannot recall events that occurred in their life before the age of two is called ______
a. infantile autism c. pretensile amnesia b. psychogenic amnesia d. childhood amnesia
What has symptoms that include acute pain, weakness, dizziness, confusion, and shortness of breath?
a. cardiovascular disease b. a heart attack c. angina pectoris d. stress-induced fatigue
Dr. Leung believes that no one theory can explain human development and has developed an approach that incorporates elements from many of the major theories. Given this description, Dr. Leung is best classified as a(n) _____ theorist.
A. psychodynamic B. ethological C. eclectic D. sociocultural