Experiments do not adequately control for third variables when:
A) participants are not randomly selected for study.
B) not enough levels of the independent variable are studied.
C) the manipulation actually causes changes in the dependent variable.
D) random assignment fails to create equivalent groups.
D) random assignment fails to create equivalent groups.
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Harmony notices that her cat salivates as soon as it hears the sound of Harmony opening a can of cat food with an electric can opener. In this example, the __________ is the conditioned stimulus.
A. can of cat food B. sound of the electric can opener C. dish that Harmony puts the food in D. cat scurrying into the kitchen
Strong desires to be the opposite gender and strong discomfort with one's current gender identifies
a. gender dysphoria. b. transgender identity disorder. c. transsexual identity disorder. d. abnormal identity disorder.
Which of the following is(are) the primary issue(s) in mental health law today?
a. The rights of mentally ill individuals b. The rights of society to be protected c. Both a and b d. Neither a nor b
Light receptors which help us to see best at night are the __________
A) foveae B) cones C) shafts D) rods