In a t test for independent means, when the number of scores in the two groups differs, the __________ is used as the equivalent of each group's sample size when determining power
A) power coefficient
B) pooled estimate
C) harmonic mean
D) independent t scores
C
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Cosmology is __________
a. teachings or ideas that provide a unified picture of the world b. a belief system based on astrological signs c. the religious system of the underdeveloped world d. the ability to see into the future
According to the U.S. Census, Hispanic isa.
a racial category b. an ethnic category. c. a nonexistent category. d. a mixed race designation.
Rita found letters written by soldiers during the American Revolution. According to Aminzade and Laslett, which of the following questions should Rita ask about these letters?
a. Why were the letters written? b. Who wrote the letters? c. Did the soldiers face any constraints in writing the letters? d. How representative are the individuals who wrote the letters? e. All of these questions are suggested by Aminzade and Laslett.
Exchange theory examines personal interactions in terms of meanings and symbols
Indicate whether the statement is true or false