You calculated a standard deviation of 100 exam scores using population standard deviation formula. However, you later find out that these 100 scores were sampled from a class of 150 students. The population standard deviation you calculated will be ______ the actual population standard deviation.
A. larger than
B. smaller than
C. equal to
D. more precise than
Answer: B
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As compared to feelings of personal distress, empathic concern
a. is more likely in emergency situations. b. does not directly impact helping behavior. c. is more cognitive in nature. d. is other-oriented rather than self-oriented.
Ten-year-old Kookla is found to have a mental age of 12 . According to the traditional Stanford-Binet Scale, Kookla has an IQ of
a. 80 b. 100. c. 110 d. 120.
According to the principle of clinical equipoise, it is unacceptable to conduct a study comparing two treatments when ____
a. the treatments are known to be equally effective b. there is no information about the effectiveness of either treatment c. one treatment is known to be more effective than the other d. experts disagree about the effectiveness of the treatments
If it were important to determine the exact location of brain impairment, which of the following tests would most likely be used?
A. Bender Visual-Motor Gestalt Test B. Halstead-Reitan Neuropsychological Battery C. Gall Phrenological Brain Scan D. Stanford-Binet Intelligence Scale