The null hypothesis for a repeated-measures test states:

a. each individual will have a difference score of D = 0.
b. the overall sample will have a mean difference of MD = 0.
c. the entire population will have a mean difference of ?D = 0.
d. All of the other options are correct.


C

Psychology

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Which of the following individuals is most likely to be dependent on barbiturates?

A. A teenaged boy who is often impulsive and aggressive B. An undereducated member of a minority group who has antisocial personality disorder C. An anxious young adult who takes the drugs to feel more confident D. Middle-aged and older persons who use them as sleeping pills

Psychology

Olfaction also plays a subtle role in ____

a. sleeping b. social behavior c. touch sensation d. vestibular sensation

Psychology

If research can show that schizophrenia is related to a person having a combination of several genes, then schizophrenia would be considered a(n) ____

a. ?polygenic trait b. ?untreatable disease c. ?global trait d. ?dissociative disorder

Psychology

A correlation of .98 between X and Y would indicate a:

a) virtually no relationship between X and Y. b) a causal relationship, where X causes Y. c) weak positive relationship between X and Y. d) strong positive relationship between X and Y.

Psychology