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Renee decides to run a second experiment, this time using a within-subjects design. She measures reading speeds of 8 participants (counter-balanced) who listen to both
Renee decides to run a second experiment, this time using a within-subjects design. She measures reading speeds of 8 participants (counter-balanced) who listen to both the "no music" and the "lo-fi" conditions. She, again, hypothesizes that listening to lo-fi hip-hop will increase reading speeds. Surprisingly! Her numbers are exactly the same.
- What is Renee's Null hypothesis and (one-tailed) Alternative hypothesis?
Pages Read | ||
Participant | No Music | Lo-Fi |
1 | 23 | 28 |
2 | 21 | 24 |
3 | 28 | 26 |
4 | 31 | 38 |
5 | 18 | 21 |
6 | 20 | 23 |
7 | 32 | 31 |
8 | 35 | 41 |
- Calculate the test statistic (t) and critical value for this hypothesis test
- What decision should Renee make about her hypothesis test?
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