One criticism of proportionate stratified random sampling is that ____
a. some segments of the population will be over-represented in the sample
b. statistical analysis may be impeded when subgroups are small
c. the sample is usually not representative of the population
d. some segments of the population will be under-represented in the sample
b
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Which of the following relationships would most likely have the weakest correlation?
a. a school child's age and vocabulary b. a building's height and weight c. number of fingers on a person's hand and intelligence d. air temperature and number of air conditioners being used e. amount of snowfall and number of skiers
A schedule of reinforcement in which the first response performed after a specific amount of time has passed is reinforced is called a
a. fixed-ratio schedule. b. fixed-interval schedule. c. variable-interval schedule. d. variable-ratio schedule. e. continuous reinforcement schedule.
Which of the following is not used to judge self-efficacy according to Bandura?
A. comparing our capabilities with those of others B. comparing our actual experiences to a hierarchical base rate C. listening to what other people say about our capabilities D. using feedback from our bodies
Scientists are trained to use the a priori method of obtaining knowledge
Indicate whether the statement is true or false