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A researcher wants to examine the effects of color on memory. The researchers shows a group...

A researcher wants to examine the effects of color on memory. The researchers shows a group of n = 10, a list of words on blue paper, and another group of n = 15 on yellow paper? The participants are then given a memory test to see how many words they remember. The blue group remembered M = 22 words with a SS= 740 and the yellow group remembered a mean or M=25 words with a SS=820. What test is the most appropriate for this researcher to use to determine if there is a difference between the blue and yellow groups?

repeated measures t-test

independent measures t-test

z-test

standard error of the mean
math   Statistics-And-Probability   
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Answer #1

The groups are independent and we need to compare their means. Hence, we will use independent measures t-test.

Option B is correct.

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