In a mixed factorial design, the repeated measures factor is evaluated by comparing its variance with the variance of _____
a. the between subjects factor
b. the interaction between the between subjects factor and the subjects within groups
c. the subjects within groups
d. the interaction between the repeated measures factor and the subjects within groups
D
The variance due to the repeated measures factor is compared to the variance due to the interaction between it and the subjects within groups.
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Tim is trying to choose his career. Hans gives him the bad advice to
a. keep looking for that one job that fits him perfectly. b. be cautious about choosing a career solely on the basis of salary. c. recognize that his career options will be limited to some extent by factors beyond his control. d. be prepared to reevaluate his vocational decisions at various times throughout his working life.
In a neuroimaging study, Sharon is looking at brain activity in adults who are addicted to cocaine. If she wants to look at activity in the insula, which of the following activities should she ask participants to complete?
A. Give them cocaine and measure dopamine activity. B. Perform a button-pushing task to test impulsivity. C. Use a stressful task to measure their decision-making process. D. Show them photos of cocaine to elicit cravings.
In prepared childbirth, the primary function of the relaxation and breathing techniques used is to:
a. increase the supply of oxygen to the baby during delivery b. increase the Apgar score of the baby at the time of delivery c. help the mother cope more effectively with the pain of delivery d. reduce the carbon dioxide content of the mother's blood
What was frequently prescribed by physicians to pregnant women in the 1970s to prevent miscarriages, but was later found to cause the daughters of the women who took the medication to develop a rare form of vaginal or cervical cancer and to have more
difficult pregnancies? a) thalidomide b) AZT c) DES (diethylstilbestrol) d) birth control