Which type of research is best at establishing causality?
A. true experiment
B. quasi-experiment
C. correlational research
D. preexperiment
Answer: A
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Marsha's doctor informs her that her child is just entering the longest period of prenatal development. About how long has Marsha been carrying her unborn child?
a. 1 day b. 3 weeks c. 9 weeks d. 28 weeks
Which of the following pairs represent an example of a primary sex characteristic and an example of a secondary sex characteristic?
A. penis; beard growth B. enlarged breasts; wide hips C. testes development; ovaries D. deep voice; beard growth
Which of the following is NOT a characteristic used to describe sound stimuli?
A. frequency B. pitch C. amplitude D. clarity
When the knowledge of one event allows for the prediction of another event,
then the two events are a. significantly different b. causally related c. correlated d. due to chance