Reliability vs. Validity - PowerPoint PPT Presentation

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Title:

Reliability vs. Validity

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Title: Reliability vs. Validity Reliable means you will get the same results repeatedly. (remember R for Reliability and Repeated) Valid means accurate or on ... – PowerPoint PPT presentation

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Title: Reliability vs. Validity


1
Reliability vs. Validity
2
Reliable means you will get the same results
repeatedly. (R Reliability Repeated)
Increased with more trials
3
Have I tested with repetition?How consistent is
the information with information from other
reputable sources?
4
Valid means accurate or on target. The
measurement taken matches the actual amount.
  • Adding more controlled variables Improving
    measuring technique Including more conditions
    an experimental control condition.

5
Does my procedure experiment actually test the
hypothesis that I want it to? What variables have
I identified and controlled?
6
These targets show one way to interpret
reliability vs. validity. Draw/label them
under your notes!
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