A cognitive psychologist used the Stroop task to measure how different words var

Question

A cognitive psychologist used the Stroop task to measure how different words vary in their semantic relatedness to color words.   For example, we might expect grass, money, and envy to be highly related to green than say lawn, apple, and frog.    The psychologist created two lists of 50 words each that he hypothesized would differ in semantic relatedness to color words.    Thirty subjects viewed the 100 words presented in random order saying out loud the color in which each word was written as quickly as possible.   In another set of trials used to act as a control condition, subjects named color patches as quickly as possible.   The difference between the time it took to name the color of a word and the same color patch was computed for each word. A paired t-test comparing these reaction time differences for the less related and more related words was statistically significant.

What kind of study is this? What is the independent and dependent variable? Is there another way to test the hypothesis? What would be the criticisms of this study?

Explanation / Answer

a-1)

This type of study is a comparing the two populations belongs to same kind. That is, one is independent and another one is dependent.

a-2)

The independent variable is the less related words and dependent variable is the more related words.

a-3)

Use t test for observed correlation coefficient to test the relationship between these independent and dependent variables.

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