Dr. Street wants to measure the effects of watching a movie on mood. He asks students to select either a comedy or a tragedy to watch in a controlled setting
He administers a mood test afterward and finds that the comedy group is significantly happier than the tragedy group. Dr. Street cannot make a causal statement about the effects of movies on mood because
A) he failed to manipulate a variable.
B) he failed to include a dependent variable.
C) he failed to randomly assign participants.
D) he found no correlation between movie and mood.
Answer: C
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Following the rejection of his latest novel, Jahir experienced an inability to make some movements with his right hand. While he was unable to write, he could scratch and make other simple motions with his affected hand. Two weeks later, he was able to write again. What is unique about Jahir's case of conversion disorder?
A. Jahir had some ability to move his hand. B. Jahir is male, and most people with this disorder are women. C. Jahir's symptoms subsided after only two weeks. D. Jahir only lost the ability to move his right hand.
Drugs derived from opium that alleviate pain and induce lethargy are known as:
A) hallucinogens. B) depressants. C) stimulants. D) narcotics.
The effect resulting from following cohorts over time in a cross-sequential design is called
a. A Null hypothesis b. A Time lag effect c. A Longitudinal effect d. A Cohort effect
The National Health and Social Life Survey found that 70% of women reported wanting to have sexual intercourse; nearly 50% of women ____
a. reported being forced to have sex the first time b. said they just went along with it c. cited curiosity as their primary motivation d. were motivated by affection for their partner