Schachter and Singer's participants who received epinephrine injections reported euphoria in a happy situation and anger in an insulting situation. Why were the results difficult to interpret?

a. Later research failed to replicate the results

b. Most participants guessed what the experiment was trying to show.
c. The instructions about expected side effects of the injection had no effect.
d. Placebo injections produced the same results as epinephrine.

d

Psychology

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Todd who is 9 years old plays violent video games with his older brother Rennie. Todd most

likely also a. is a popular child. b. uses the Internet to do homework. c. is monitored by his parents when he plays the video games. d. watches violent TV programs.

Psychology

Janice is studying the effects of diversity on child development. From what families should she draw her sample?

A) families with gay and lesbian parents B) single-parent families C) families with adopted children D) all of the above

Psychology