In the experiment in which college students breathed air with increased amounts of carbon dioxide through a mask, the students found it much MORE stressful if they

a. were surprised by the trials that contained the increased amount of carbon dioxide.
b. were told which trial would contain an increased amount of carbon dioxide.
c. could control the amount of carbon dioxide entering the mask.
d. experienced repeated trials of increased amounts of carbon dioxide that were each announced before occurring.


A

Psychology

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Mothers given an androgen-like drug to prevent miscarriage have given evidence that when exposed to high levels of androgens prenatally

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If practice of experimental tasks leads to an increase in performance by participants, ____ are said to have occurred

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Psychology

All standard scores are z scores

Indicate whether the statement is true or false

Psychology