# Design Identification

Answer the same six questions for the experiments described below:

Design 1:

College sophomores were given a short course in speed reading. Three groups had courses lasting for 5, 15, or 25 sessions. At the conclusion of the course, participants were asked to read a paragraph, followed by a test of comprehension. Before taking the test, participants in each group were offered a monetary incentive-no money, \$1, or \$10 for a certain level of performance. The researcher collected the reading time and number of correct items on the comprehension test for each participant.

1. Identify the design (e.g., 2 X 2 factorial).

2. Identify the total number of conditions.

3. Identify the manipulated variable(s)/Independent variables.

4. Is this an IV X PV design? If so, identify the participant variable(s).

5. Is this a repeated measures design? If so, identify the repeated variable(s).

6. Identify the dependent variable(s).
Outcomes of Factorial Designs

19. Outcome 1:

B1 B2

A1 4 6

A2 3 8

1. Is there a main effect of IV A?

Overall means of A1 _____ A2 _____

2. Is there a main effect of IV B?

Overall means of A1 _____ A2 _____

3. Is there an A X B interaction?
4. Graph the results.
You can draw a graph and take the picture of the graph, and put the picture here or submit the picture in a separate file,

You certainly can use computer to graph the results

20. Outcome 2:

B1 B2

A1 30 30

A2 20 40

1. Is there a main effect of IV A?

Overall means of A1 _____ A2 _____

2. Is there a main effect of IV B?

Overall means of B1 _____ B2 _____

3. Is there an A X B interact

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