The most important limitation of the experimental method is that, no matter how careful an experimenter is, factors other than the independent variable can affect different subject groups in the study unequally. These factors are called _____
a) dependent variables.
b) confounding variables.
c) selection variables.
d) error variables.
Answer: b
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Which of the following is the best description of the development of posttraumatic stress disorder (PTSD)?
a. Some individuals are predisposed to develop PTSD, and there is nothing they can do to stop its emergence. b. The severity of the traumatic event is the most important factor in the development of PTSD. c. PTSD develops in individuals who have inherited certain physiological patterns, regardless of their level of exposure to trauma. d. PTSD results from the interaction of a traumatic event occurring to individuals with certain risk factors such as a history of mental disorder or a susceptibility to PTSD.
When buying a new car, people tend to look at statistical information and case history information. Research shows that they tend to be more influenced by ____
a. case history information—regardless of whether or not it is the first time they have purchased a car b. statistical information—regardless of whether or not it is the first time they have purchased a car c. case history information if it is the first time they have purchased a car, but statistical information if they have purchased cars in the past d. statistical information if it is the first time they have purchased a car, but case history information if they have purchased cars in the past
Little Mickey says, "Wook at the wabbit." Mickey is having trouble with the "l" and "r" speech sounds, which would be classified as a----------- problem
a. phoneme
b. morpheme
c. syntax
d. transformational
Currently there are two basic methods for studying traits, the _________ approach and the ____________ approach
a. idiopathic; psychoanalytic b. ideographic; nomothetic c. Freudian; Rogerian d. scientific; philosophical