A researcher is comparing two multiple-choice tests with different conditions. In * the first test, a typical multiple-choice test is administered. In the second test, alternative choices (i.e. incorrect answers) are randomly assigned to test takers. Which test produced more homogeneous results? The results from the two tests are shown below. Number of respondents Ex [x² Regular test Randomized Answer Both tests None of the tests O Other: Regular Test 20 614 21,467 Randomized Answer 15 295 6,812

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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A researcher is comparing two multiple-choice tests with different conditions. In
the first test, a typical multiple-choice test is administered. In the second test,
alternative choices (i.e. incorrect answers) are randomly assigned to test takers.
Which test produced more homogeneous results? The results from the two tests
are shown below.
Number of respondents
Ex
[x²
Regular test
Randomized Answer
Both tests
None of the tests
Other:
Regular Test
20
614
21,467
Randomized Answer
15
295
6,812
Transcribed Image Text:A researcher is comparing two multiple-choice tests with different conditions. In the first test, a typical multiple-choice test is administered. In the second test, alternative choices (i.e. incorrect answers) are randomly assigned to test takers. Which test produced more homogeneous results? The results from the two tests are shown below. Number of respondents Ex [x² Regular test Randomized Answer Both tests None of the tests Other: Regular Test 20 614 21,467 Randomized Answer 15 295 6,812
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