Question

A human factors psychologist studied three novel computer keyboard designs. A sample of adults were given...

A human factors psychologist studied three novel computer keyboard designs. A sample of adults were given material to type on each keyboard, and the number of errors made by each participant was recorded for each type of keyboard.

Correlated groups t-test

Independent groups t-test

One-way repeated measures ANOVA

One-way between-Ss ANOVA

Math   Statistics-And-Probability   
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Answer #1

#Solution:

One-way repeated measures ANOVA

Explanation:

For the given scenario, we have to compare the three groups or three different types of novel computer keyboard designs. So, we need to use the one way ANOVA test. The observations for the three groups are produced due to same subjects. This means, same participants were used for taking results from three groups. So, each participant is repeated three times and generates three observations for three groups. So, we need to use one-way repeated measures ANOVA.

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