Your text discusses the fact that there are three causal interpretations of correlations. If there is a correlation such that the more milk a child drinks the more weight he or she gains,
which of the following is not a possible causal interpretation of the finding?
a. Drinking milk makes children gain weight.
b. Gaining weight makes children drink more milk.
c. A third variable: onset of a growth spurt makes both more likely.
d. Obesity is caused by calcium intake.
Answer: D
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Indicate whether this statement is true or false.
An important difficulty with the distinctive features model of perception is
a. the need for an almost limitless number of special circuits for feature detection. b. that the effects of context receive too much weight. c. the lack of an acceptable operational definition of "distinctive feature." d. that the perception of complex patterns may occur faster than the perception of simpler patterns. e. the inability to empirically manipulate the necessary variables to form conclusive evidence.