We are sensitive to _____ basic tastes
A) three
B) five
C) seven
D) countless
Answer: B
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Summarize the basic structure of the nervous system
What will be an ideal response?
The amount of time a person can actually be expected to live in a given setting is referred to as ____.
A. life span B. life expectancy C. longevity D. mortality rate
As experimental control increases:
a. external validity decreases. b. external validity increases. c. the more relevant the study to real-world problems. d. we become less able to rule out alternative hypotheses.
A way to be sure that an observed relationship between an independent variable and a dependent variable does indeed exist is by
a. selecting which individual subjects are to be included in the study. b. identifying other possible variables. c. the creation of a control group. d. surveying the subjects of the study.