On a variable-interval schedule, reinforcement is given _________
a. for the first correct response after a fixed amount of time has passed
b. for the first correct response after varying amounts of time have passed
c. for the next correct response after a fixed number of responses have been made
d. for the next correct response after a varying number of responses have been made
b
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What do EEG, MEG, PET, and fMRI measure?
a. Mental illness b. Brain activity c. Personality traits d. Intelligence
Research has shown that:
a. adolescents and young adults use the Internet for health information, but parents are unlikely to do so when their children show signs of illness because they prefer immediate contact with a doctor. b. There are ethnic differences in terms of perception of how the Internet affects patient-practitioner relationships. c. most people who used the Internet for health information report that they are highly dissatisfied with this information. d. the number of adults who have ever looked online for health information has decreased since the late ‘90's because of the burgeoning number of websites that provide inaccurate or misleading information.
About what percentage of new mothers experience some level of postpartum depression?
a. 1% c. 25% b. 10% d. 50%
The actions of drugs on neurotransmitter systems can be divided into two main types. What are they?
What will be an ideal response?