Ed 602 Quiz 12

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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 - Two second-grade teachers who teach similar classes decide to test a new method for teaching spelling. To determine if the new method enables students to spell better, a study is conducted by the two teachers. Each week, the students in both classes learn how to spell the same 10 words. For two weeks, one teacher used the new approach while the other teacher used the traditional approach. At the end of each week, the same 10--word test is given to the students in both classes. The score for each student is the combined number of words spelled correctly on the two 10-words spelling tests. The mean of the scores obtained by the class using the traditional approach is compared to the mean of the scores obtained by the class using the new approach. (Ravid, page 279).

    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 influence of music on video game playing was investigated using a repeated-measures design. First, 10 subjects were asked to play a video game with no music present. Several days later the same subjects played the video game while listening to a recording of rock music. The dependent measure was the subjects' score on the video game. Using the data, determine whether music significantly influenced the subjects' video game performance.

    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

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