The Educational Testing Services (ETS) Is Conducting a Study to Determine

question 70

Multiple Choice

The Educational Testing Services (ETS) is conducting a study to determine the relation between method of presentation (standard lecture vs.computer presentation) and type of lecture (psychology, English, or statistics) to lecture comprehension.How would we describe the design?

• A) one-way ANOVA
• B) 2 X 3 between-groups ANOVA
• C) 2 X 3 within-groups ANOVA
• D) 1 X 2 between-groups ANOVA

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Definitions:

Confidence Interval

A range of values derived from sample data that is likely to contain the true value of an unknown population parameter.

Population Means

The average of a set of characteristics or measurements for an entire population.

Alternative Hypothesis

A hypothesis that is adopted when there is sufficient evidence to reject the null hypothesis, often denoted H1.

Population Proportion

The ratio or fraction of members in a population that have a particular characteristic, often denoted by P.