The null hypothesis which is appropriate for a directional alternative hypothesis asserts that _________
a. the independent variable has had no effect
b. chance alone is responsible for the differences between conditions
c. the independent variable does not have an effect in the direction predicted by H1
d. chance alone is responsible for the differences between conditions and the independent variable does not have an effect in the direction predicted by H1
C
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The so-called commons dilemma involves two kinds of conflicts: one concerning ____ and one concerning ____
a. self-interest; time b. communication; self-esteem c. accountability; self-awareness d. norms; self-esteem
Which of the following is NOT associated with serious financial worries?
a. Increased depression in husbands b. Increased hostility in husbands c. Lower marital happiness for both husbands and wives d. Increased risk of separation and divorce as incomes decline
The Marijuana Tax Act of 1937 was successful in reducing the legal disbursement of marijuana
a. True b. False Indicate whether the statement is true or false
Which statement about absolute thresholds is TRUE?
a. ?Absolute thresholds vary according to the person and the situation. b. ?The absolute threshold is the minimum change in stimulus intensity that can be detected. c. ?The absolute threshold reflects both sensation but not perception. d. ?Absolute thresholds are extremely unpredictable for any sense other than vision or hearing.