Professor Garcia is studying how cancer patients are coping with their illness by giving them one of the following sets of instructions: they are to keep a daily diary and write about anything, keep a daily diary and write about how they are trying
to cope with their illness, or not told to keep any diary whatsoever. After following this protocol for a month, Professor Garcia then measures the cancer patients' self-reported level of depression. The independent variable in this hypothetical study is ________ and the dependent variable is ________. a) the type of diary kept, if any; the progression of the cancer
b) the type of diary kept, if any; the self-reported level of depression
c) the self-reported level of depression; the type of diary kept, if any
d) the cancer patients; the self-reported level of depression
b
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In the brains of those who are left-handed, the corpus callosum is __________ as compared to the brains of right-handed individuals
a) 11% larger b) 25% smaller c) more densely packed with gray matter d) more densely packed with white matter
The extent of danger faced by preterm babies largely depends upon __________
a) the mother's age b) whether the baby has suffered loss of oxygen (anoxia) c) the baby's ability to regulate his/her body temperature d) the baby's birthweight