For a developmental psychology class, students are required to observe infants in a local childcare center. Their observations include the infants' mood, intensity, and activity levels. If the students observe a representative sample of infants,
what are they likely to find?
a) It is impossible to classify temperament in infants.
b) More of the infants have an easy temperament than any other type.
c) The infants' temperament was determined by interactions with parents and peers.
d) The infants' mood and intensity varied dramatically and inconsistently from time to time.
B
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Ethical standards for human research may be found in the Ethical Principles of
Psychologists and Code of Conduct published by the a. American Psychiatric Association. b. National Science Foundation. c. American Psychological Association. d. National Institutes of Health. e. Association for Psychological Science.
The correlation coefficient is a more convenient way of communicating results than
a. the range because standard tables to determine its value have already been developed. b. using inferential statistics. c. calculating the average deviations of scores from both the median and the mean. d. the range because it makes calculating the standard deviation unnecessary. e. showing scatterplots of the scores.