A researcher is testing the effects of sunlight on depression. The dependent variable is
a. sunlight
b. the interaction between sunlight and mood.
c. the research design.
d. depression.
d
Psychology
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A researcher is investigating the neurotransmitters associated with suicide. She is likely to find that in those who complete suicide, ____
a. 5-HIAA levels are abnormally low b. norepinephrine levels are abnormally high c. adrenalin levels are abnormally low d. serotonin levels are abnormally high
Psychology
Which of the following statements is inferential?
a. The proportion of students having brown hair is 0.64. b. The students at Transylvania University gave 116 pints of blood in the last blood drive. c. If recycling efforts continue as they have, energy costs will drop by 16%. d. Professor G. Hi-Man polled his students and found that 74% prefer cumulative exams.
Psychology