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The Stroop Test

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by

Julia Takimoto

on 7 March 2017

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Transcript of The Stroop Test

Hypothesis
My hypothesis is that students who achieve higher scores on the Stroop test also achieve higher grades and perform better in school compared to students who achieve lower scores on the test.
The Stroop Test
Research
Analysis of Data
- outside interference - loud environment that would have distracted from the time-sensitive activity
- inaccuracy of survey answers - test subjects were not allowed to answer freely as all questions were multiple choice and could not explain answers
Conclusions
-This conclusively proves my hypothesis that students who achieve higher scores on the Stroop test also achieve higher grades and perform better in school compared to students who achieve lower scores on the test.
- Also means that students who achieve higher grades have higher processing speeds and better selective attention skills compared to others
Background
- The Stroop effect occurs when interference with a task causes a subject to take longer to complete the task and make more errors in the process
- The standard test for this is a sheet of words, each the name of a colour, printed in colours different to the ones they name. The test subject must read out the colour each word is printed in, as opposed to the word. The test results are judged by the number of correct words read per second.
- It has been theorized that subjects who do better on the Stroop test (show less of the effect) have higher processing speeds and better selective attention skills.
- Higher processing speeds and better selective attention skills help students to learn and understand material better, leading to better grades

Example of a test
What grade are you in?
9 10 11 12 13+
What gender are you?
Male Female Other
Do you participate in extra curricular activities?
Yes No Sometimes
Do you have a part time job?
Yes No Sometimes
What is your average?
-50% 51-60% 61-70% 71-80% 81-90% 91-100%
On a scale of 1 to 10, how much do you think your home life responsibilities affect your grades? (1 being not at all, 10 being very much)
1 2 3 4 5 6 7 8 9 10
On a scale of 1 to 10, how much do you enjoy learning? (1 being not at all, 10 being very much)
1 2 3 4 5 6 7 8 9 10

- This is a chart of the average scores of test subjects on the Stroop Test when grouped by grade average.
- Shows the direct relationship between scores on the Stroop test and grades
Reasoning
- Students with higher processing speeds are able to learn and memorize new information faster than students with slower processing speeds
- These students would perform better on overall work and tests in school, evident by a higher grade average
- Selective attention skills would help a student to pay more attention in class and focus solely on one task, leading to greater precision and attention to detail.
Error Analysis
Further Research
- A second finding that on average, the female test subjects performed better than the male ones, achieving an average of 1.23 words per second compared to the male average of 1.06 words per second
- Likely due to the fact that females can discern color better than males, which has been proven through several scientific studies --> hunter-gatherer behaviour
- Could actually be due to higher processing speeds and better selective attention skills.
- Would make an interesting spin-off study
Full transcript