Pre-experimental designs are characterized by:
a. limited external validity
b. limited internal validity.
c. no control group.
d. all of the choices.
d
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The Civilian Works Administration (CWA) focused on increasing worker's productivity
Indicate whether the statement is true or false
The dependent variable is the variable that is believed to be ______.
A. dependent upon a random sample in order that the hypothesis can be confirmed B. the cause of the independent variable C. caused by the independent variable D. dependent upon the presentation of an experimental design in order to demonstrate causation
Worden’s model of grief includes:
a. stages of grief b. task based behavioral goals c. focuses on shock and grief d. promotes disconnection from the deceased
The drugs and drug types that are discussed in this chapter are included together because:
A. they are chemically closely related. B. they are psychopharmacologically closely related-they have more or less the same effects. C. the penalties for their possession and sale are, of all illicit drugs, the most severe. D. they tend to be used recreationally by more or less middle-class persons. E. they are likely to be legalized in the near future.