If You Are Interested in How Well Students Perform on a Standardized

question 20

Multiple Choice

If you are interested in how well students perform on a standardized math achievement test after they have completed a six-week math unit in either a computer-assisted class,a videotaped course,or a regular classroom,what kind of design do you have?

• A)A 3  3 between-subjects,factorial design
• B)A 2  2 between-subjects,factorial design
• C)A 3  3 between-subjects,incomplete factorial design
• D)A one-way design

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Definitions:

Sampling Distribution

The likelihood distribution of a statistic, achieved by drawing numerous samples from a certain population.

Spread

In statistics, it refers to the range of a data set, which shows the extent to which numerical values differ from each other.

Center

In statistics, the central point of a data set, around which a whole dataset is distributed, usually measured as mean or median.

Incentive

Something that motivates or encourages someone to do something or to work harder.