Ed 602 Quiz 11

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1. is the formula for
   1. the dependent t-test.
   2. the independent t-test.
   3. the one-sample t-test.
   4. the z-test.

2. is the formula for
   1. the dependent t-test.
   2. the independent t-test.
   3. the one-sample t-test.
   4. the z-test.

3. is the formula for
   1. the dependent t-test.
   2. the independent t-test.
   3. the one-sample t-test.
   4. the z-test.

4. For the following research problem - An instructor in Abnormal Psychology wanted to determine whether there was a significant difference in final examination scores between students who received practical experience as an adjunct to the Abnormal Psychology course and students who did not. To this end, the instructor compared the final examination scores for a previous class having no practical experience (N = 15) with the final examination scores for students in a course with the adjunct practical experience (N = 15). The same examination was given to both groups with a maximum score of 150.

   What is the proper statistical test to use with this research problem?

   1. the dependent t-test
   2. the independent t-test
   3. the one-sample t-test
   4. the z-test

5. For the following research problem - The average number of bar presses per minute for a rat being reinforced with one pellet of food is 38. Twenty rats are trained to press a bar and are then reinforced with three pellets of food per bar press. The average number of bar presses per minute for this sample is 41, with a standard deviation of 2.60. Did the increase in reinforcement magnitude lead to a significant increase in the bar-pressing rate of the rats?

   What is the proper statistical test to use with this research problem?

   1. the dependent t-test
   2. the independent t-test
   3. the one-sample t-test
   4. the z-test

After answering all questions, press