In which of the following forms of Down syndrome does the extra copy of one of the chromosome pairs interfere with the normal development of the body and brain?
A. Trisomy 21
B. Fragile X syndrome
C. Tay-Sachs disease
D. PKU
Answer: A
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Instead of manipulating variables, the researcher measures the extent to which changes in one variable are accompanied by changes in a second variable. What type of study is this?
a. analogue c. epidemiological b. experimental d. correlational
In one study (Twenge, Baumeister, Tice, & Stucke, 2001), students who were told that a personality test revealed that they were “the type likely to end up alone later in life” were more likely to ____.?
a. ?show signs of depression and anxiety b. ?show less empathy and act aggressively c. ?report low self-esteem and low self-efficacy d. ?demonstrate introversion and neuroticism
The process of organization, identification, and interpretation of a sensation in order to form a mental representation is called:
A) synesthesia. B) sensation. C) perception. D) transduction.
Retired older adults who live on a fixed income often have difficulty making ends meet when prices rise. This reflects which of the following?
a. loss of secondary control b. loss of primary control c. inability to assimilate d. inability to accommodate