Quiz 9
The process that creates a causal connection between two variables is
Causal mechanism
The common feature of before-and-after quasi-experimental designs is
Absence of a comparison group because all cases are exposed to the experimental group
The criterion of time order indicates that the variation in the independent variable came before the
Dependent variable
In ex post facto control group designs, the groups are
Designated after the treatment has occurred
Which of the following are important, but not necessary, to establishing a causal relationship?
Mechanism and context
A relationship that exists between two variables that is NOT due to variation in a third variable is
Nonspruious
Experiments are considered "quasi experimental" when
Subjects are not randomly assigned to experiment and control groups
Which of the following is true about control and experimental groups?
Subjects must be randomly sorted into the two groups
Association is a necessary criterion for establishing a causal effect.
True
The assessment of change in the dependent variable for both groups after the experimental condition has been applied is known as
The posttest