A 2012 study was conducted to examine the effect of an expressive writing intervention among Chinese-speaking breast cancer survivors. Participants were asked to write about their thoughts, feelings, coping efforts each week for three weeks to determine potential health benefits of this intervention. Health outcomes (fatigue, quality of life, and psychological adjustment) were assessed at baseline, 3, and 6 months after the intervention. It was found that expressive writing was associated with improvements in fatigue, quality of life, and psychological adjustment (posttraumatic stress, intrusive thoughts, and positive affect). Multiple health outcomes were measured, so there are multiple:
a. Independent variables c. control variables
b. dependent variables d. prospective variables.
Question 2
Studies that follow a group of people for a number of years to determine whether certain variables predict disease are called:
a. longitudinal c. retrospective
b. prospective d. cross-sectional
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