Which of the following pieces of information is NOT required to use the Taylor-Russell tables?
a. Criterion validity coefficient
b. Selection ratio
c. Base rate
d. Reliability
d
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When a researcher can make strong conclusions that the independent variable caused changes in the dependent variable, the study has high ________
A) complexity B) external validity C) internal validity D) experimenter bias
What percent of women regularly have multiple orgasms?
a. five percent b. 15 percent c. 30 percent d. 50 percent
John is sleeping when his mother calls his name. He does not respond. She calls his name louder, telling him it is time to get up and get ready for school
Even when she gets close to the bed, says his name, and puts her hand on his shoulder, he does not arouse. It is likely that he is in the ____________ stage of sleep. a. 1st b. 2nd c. 3rd d. REM
Which of the following statements accurately reflects the relationship of the total amount of sleep that an individual receives as a function of age?
a. We require more sleep as we age.
b. As we age, we tend to get less sleep.
c. We require much sleep during infancy and early childhood, less sleep in adolescence and early adulthood, and then more sleep in middle and older age.
d. The amount of sleep we require solely depends on individual difference variables.
e. We require less sleep when we are younger and when we are older, but more during our "middle" years.