Jean, a one-year-old child, squeezes her rubber ducky with both hands, and it squeaks. Next, she squeezes it with one hand to make it squeak. Then, she places the rubber ducky on the ground and steps on it to make it squeak
Finally, she sits on it to make it squeak. In this example, Jean's behavior is an example of a ___.
a. primary circular reaction
b. secondary circular reaction
c. tertiary circular reaction
d. reflex
C
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In the release from proactive inhibition study by Wickens, which of the following is incorrect?
A) research participants were shown lists of 25 words B) when a categorically dissimilar list is memorized, memory improves C) the research participant is tested for recall D) the research participants' memory becomes worse as more categorically similar lists are memorized E) the research participants are allowed 20 seconds to memorize as many words as they can
The most fundamental difference between predictive and concurrent validity
strategies is that a) there are no fundamental differences b) concurrent validity coefficients are obtained in a random sample c) predictive validity coefficients are obtained in a random sample d) criterion scores are obtained at different times