Which of the following statements is true about epigenetics?
A. Genes are simply the end points for biological structures.
B. Psychological traits such as dementia, aggression, and others are untraceable to epigenetic effects.
C. Epigenetics involves heritable changes to DNA that are independent of the genetic sequence yet influence its expression.
D. Epigenetic studies have confirmed that experience does not shape people's nature.
Answer: C
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Which of the following statements accurately describes changes between DSM-IV and DSM-V relative to how somatic symptom disorder is diagnosed?
A. According to DSM-IV, individuals must be experiencing dysfunctional thoughts, feelings, and/or behaviors, along with chronic somatic symptoms. B. According to DSM-IV, individuals must be experiencing dysfunctional thoughts, feelings, and/or behaviors, but not chronic somatic symptoms. C. According to DSM-V, individuals must be experiencing dysfunctional thoughts, feelings, and/or behaviors, along with chronic somatic symptoms. D. According to DSM-V, individuals must be experiencing chronic somatic symptoms but not dysfunctional thoughts, feelings, and/or behaviors.
Which of the following statemet is FALSE regarding chronic stress during pregnancy and its impact on the fetus?
A psychology professor is about to test her students' understanding of the Freudian and Humanistic theories. The test she develops just has questions on it that measure the students' understanding of social cognitive and trait theories. The test lacks:
A. validity B. reliability C. practical nature D. clarity
According to the discussion of cognitive neuroscience, the PET-scan technique
a. is too dangerous to use with human participants. b. is currently used when researchers want to test memory; however, it is not adaptable for other cognitive processes. c. can measure human cognitive processes that are completed within one-tenth of a second. d. measures blood flow in the brain.