In research studies, the term "effect size" refers to
a. how much each treated and untreated person in the study changes
b. the power of the statistical tests that are used to detect the impact of the independent variable.
c. how many subjects are included in a particular study.
d. the degree of external validity that the study has.
a
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How does deep lesioning work to help reduce severe psychotic symptoms and to help treat anxiety and mood disorders?
a) It uses electricity to destroy very precise areas of the brain. b) It uses magnetism to enhance the neurotransmitter output of certain neurons in the brain. c) It uses hormone injections deep into the diencephalon to "wake up" certain neurological functions. d) It uses surgical ablation of the corpus callosum to reduce communication between the cerebral hemispheres.
In sensory deprivation studies, researchers were interested in what would happen if our senses adapted to most incoming stimuli. Explain the findings of the early studies in sensory deprivation. What has been revealed by later research?
What will be an ideal response?