Practice Test #3

1.) A double-blind study can be used to control for subject and experimenter effects.  How does it do this?

2.)  "Conceptual change in science obeys a principle of connectivity." What does this mean?

3.) Provide an example of a one-way design.   Be sure to identify the IV and levels of the IV, the DV and the number of treatment conditions.

4.) What are two ways of expressing the principle of converging evidence?

5.) Name the four basic requirements of an interrupted time series design

6.) Your research examined the effects of environment (noisy environment, quiet environment) and type of activity (studying, socializing ) on the degree of enjoyment in an activity (enjoyment rated on a 1-10 scale (1 = not not enjoy; 10 = enjoyed very much)).  The results revealed one main effect and an interaction between the two variables.  Use the following table of results to explain both the main effect and the interaction.

7.) Why is it so important to include a control condition in an experiment?

8.) Name at least one kind of setting in which single-case experimental designs are popular and explain what it is typically used for.