The null hypothesis in a pretest posttest experiment states that feedback does not improve performance. The correct alternative hypothesis for this experiment is _____
a. feedback affects performance c. feedback reduces performance
b. feedback improves performance d. any of these
B
When the null hypothesis is directional, the alternative hypothesis should be directional and in the same direction.
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Why is postformal thought considered to be the most advanced level of thinking? Does the stage theory of reflective thought fit with this notion?
What will be an ideal response?
Which of the following is an example of what the text has called "adaptation"?
(a) when a person's muscles strengthen quickly when starting a physically demanding job (b) organisms that adjust to their environment over the long-term, thus increasing fitness (c) shortly after putting on your watch, you no longer feel it touching your skin (d) all of the above (e) none of the above
In classical conditioning, discrimination basically is the reverse of ______
a. extinction c. intermittent pairing b. generalization d. external inhibition
The phrase "stream of consciousness" is closely associated with William James
Indicate whether this statement is true or false.