TPO 15-Q4

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TPO 15-Q4

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Average: 6 (2 votes)
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2020-01-08 Christine hanna 66.00 Check this speaking
2016-08-29 apply2017 60.00 Check this speaking
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18 in 30

The introduction should be something like:

The professor talks about experimenter effect which occurs when a researcher’s expectation affect the outcome of an experiment.

you didn't explain it clearly