Which of the following statements is true?
a. All experiments must have one or more control conditions.
b. All experiments must have two or more control conditions.
c. All experiments must have two or more dependent variables.
d. Some experiments do not have a control condition.
d
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If you have ever looked up someone's phone number, but were unable to write it down, and you repeated it over and over again, then you have engaged in:
A. iconic memory B. retrieval C. maintenance rehearsal D. interference
Which anticipatory human emotion produces bodily reactions that prepare us for fight or flight in the face of danger?
a. fear b. anger c. anxiety d. hatred
If the null hypothesis is true, the value of the F ratio is:
a. 0 b. 1 c. >1 d. <1
In shaping, it is sometimes a good idea to back up-- i.e., to reinforce earlier approximations of the desired behavior
Indicate whether the statement is true or false