If a researcher is using a t statistic to test a null hypothesis about a population, what information is needed from the population to calculate the t statistic?
a. You must know the population mean.
b. You must know the population variance or standard deviation.
c. You must know the population mean and the variance or standard deviation.
d. The t statistic does not require any information about the population.
D
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V. M. Bekhterev wrote Objective Psychology
a. True b. False
A patient suffers damage to the nervous system. He can move his hands, but he does not feel anything with them. Which explanation is the neurologist most likely to offer?
A. efferent neurons are damaged B. the reflex arc is damaged C. afferent neurons have been damaged D. Alzheimer's disease
Parent training programs have been developed for _____.
A. ADHD B. conduct disorder C. separation anxiety D. many disorders and problems, including those listed in the other answer choices.
Lisa reached puberty earlier than everyone in her class. Given this information, what is the likely relationship Lisa has with her parents in adolescence?
a. less conflict b. more conflict c. more independence d. less independence