In using t as an inferential statistic, we calculate the t score for our sample and then consider where that t score falls in the distribution of t scores for the distribution of sample means when ______.
A. the alternative hypothesis is true
B. the null hypothesis is rejected
C. the null hypothesis is true
D. the alternative is rejected
Answer: C
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The embryo stage of a pregnancy begins at:
a. the end of the second week c. the end of one month b. the end of the fourth week d. after 6 weeks
Which of the following parts of the brain acts as a sort of "switching station" between short-term and long-term memory and aids in the formation of new memories?
a. hypothalamus b. corpus callosum c. pons d. hippocampus
Any good researcher, especially one performing observational research, needs to
a. Have a clearly articulated hypothesis b. Look for evidence that could prove wrong the theory being tested c. Be able to deduce the predicted outcome of the study d. All of the above
Imagine that a blindfolded, "split brain" patient is exposed to flower-scented
perfume with her right nostril plugged. When asked "What do you smell?" she will most likely say: (a) "A flower." (b) "A pleasant smell, but I can't remember what it is called." (c) "An unpleasant smell, but I can't remember what it is called." (d) "Nothing"