Which of the following statements is most accurate regarding anxiety?
a. Anxiety is an evolutionary flaw
b. Anxiety used to have a function in our ancestors' time, but is no longer relevant to modern humans
c. Anxiety is good for us because it enhances performance
d. Anxiety is sometimes good for us; it enhances performance to an extent, but too much of it can hinder performance too.
d
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Which statement is TRUE regarding the sense of smell??
a. ?Humans have the ability to detect about 500 different scents. b. ?Humans can identify by name about 300 different scents. c. ?We smell something when volatile chemicals evaporate and the remaining molecules get inhaled. d. ?We smell something when chemicals in the air interact with chemicals given off by the nose.
In an experiment, the independent variable __________
A) is the one the investigator expects to be influenced by another variable B) is the one the investigator expects to cause changes in another variable C) cannot be manipulated or controlled by the researcher D) is the number that describes how two measures are associated with each other
Discuss the characteristics of attenuated psychosis syndrome and explain why it is a "proposed" disorder.
What will be an ideal response?
On a fixed-ratio schedule reinforcement is given _________
a. for the first correct response after randomly varying amounts of time have passed b. for the next correct response after a fixed number of responses have been made c. for the first correct response after a fixed amount of time has passed d. for the next correct response after a varying number of responses have been made