A therapist notices that several clients with anxiety disorders
also demonstrate symptoms consistent with major depressive disorder. Why should she be cautious in making the assumption that experiencing an anxiety disorder causes one to experience major depressive disorder?
A) Her observations may not be replicated by other researchers.
B) The relationship may really be in the opposite direction; having major depressive disorder causes one to experience anxiety disorders.
C) The relationship may really be the result of a third variable, such as lack of personal control.
D) The observed relationship creates an unfalsifiable research question.
Answer: C
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According to Treisman's modified filter theory, which of the following is NOT true?
a. The filter works even when we are asleep. b. Many signals are passed on from the sensory registers at the same time. c. Many signals in the sensory registers are able to receive our concentrated attention at a time. d. The filter works with a variable control like a volume control knob.
Assuming the reinforcer is the sound of the rattle, a baby's response of shaking a rattle is reinforced according to which type of schedule?
a. continuous reinforcement b. fixed interval c. variable interval d. variable ratio