Martin is from the Czech Republic and has Jewish ancestry. Before he and his wife try to have a baby, he wants to take a genetic test to see if he carries the gene for __________, which is common for people from his ancestral background
a) sickle-cell disease
b) Huntington’s disease
c) Tay-Sachs disease
d) Down syndrome
Answer: c
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Mary rarely refers to her strengths or accomplishments when with friends, so they have little clue as to her self-esteem. If Mary is among the majority of people, she most likely ____
a. ?judges herself more negatively and less positively than she judges others b. ?judges herself and others with complete fairness c. ?judges herself more positively and less negatively than she judges others d. ?judges herself and others very accurately
Which scenario listed below is ethical and which is not? (Hint: Refer to Section 2.4.) Explain your answer. a. A student attends a conference and reads an abstract on a poster that she finds interesting as a source for her own paper. The presenter of the poster tells her that the research described in the abstract has been published in the journal, Psychological Science. The student finds the full-text article, reads it, and cites it in her paper.b. A student conducts a literature review by searching articles in PsycINFO. In his search, he finds three secondary sources that give many interesting primary sources. He is unable to find these primary sources; however, he still cites them in his own paper.
What will be an ideal response?
Why do neither matched samples nor matched pairs effectively eliminate the possibility of a third-variable correlation?
A) Each technique depends on the other; matched samples are studied first, followed later by matched pairs. B) Both techniques allow us to rule out a particular third variable as a causal agent, but not the possibility of other third variables. C) Both techniques fail to utilize random sampling. D) By eliminating specific third variables, cause-and-effect relations are artificially established.
If an infant does not respond to its own name by __________ months, parents should begin to be concerned about a possible hearing impairment
a. 1 or 2 c. 8 or 9 b. 4 or 5 d. 12