When carrying out a chi-square test for independence, a good check on the arithmetic in figuring the expected frequencies is to make sure that
A) the expected frequency of each cell is no larger than the observed frequency.
B) the sum of all the expected frequencies times the degrees of freedom equals the sum of all the observed frequencies.
C) within any one row or column, the sum of the observed frequencies and the sum of the expected frequencies are the same.
D) the sum of all the expected frequencies for each row equals the sum of all the observed frequencies for each column minus 1.
C
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The term sleep hygiene refers to a. washing oneself before going to bed
b. lifestyle behaviors that facilitate sleep. c. use of medications to induce sleep. d. the physical environment of the bedroom.
According to Friedman et al. (1995), why haven't health psychology interventions been integrated to a greater extent into our health care system?
a. Biological origins of diseases have been emphasized over psychosocial explanations. b. Physicians are unaware of the data supporting health psychology interventions. c. both of the above d. neither of the above
The theory of multiple intelligences was proposed by ______
a. Spearman c. Gardner b. Thurstone d. Sternberg
What is relative deprivation?
a. when people feel deprived of having close relatives they can count on b. when people live in poverty and feel they have no hope of improvement c. when people feel there is an unfair discrepancy between what they have and what they expect to get d. when some people earn relatively less than others for doing the same work