Week 6 t-test and correlation

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Across
  1. 4. O’Brien & Roney 2017 – the degrees of freedom in the t-test for Study 1a is 149. So, we can tell that the study had one hundred and ____ participants.
  2. 7. Ramni et al., 2017. Read the last sentence on page 479. What kind of t-test do you think they ran? To keep it at the same number of grids, here are the choices: oneSsssample, indepeSample, pairedSample.
  3. 9. Yoshimura et al. 2017. Truee/False: Difference in steps taken in the morning when participants ate breakfast vs. when they skipped breakfast was marginally significant. (Hint: Table 2)
  4. 10. Dillion et al., 2023. Examine Figure 1. What kind of graph is this?
  5. 12. O’Brien & Roney 2017 – In Study 1a and 1b, the researchers are trying to see if the responses are different from the _____ value, so the t-test they reported is a ____-sample t-test.
  6. 14. Ramani et al., 2017 – The researchers reported that the correlation between initial numerical knowledge and improvement in number line task for the working memory group is -.25. This makes it a ___ correlation.
Down
  1. 1. The Yoshimura paper is about skipping ____.
  2. 2. Yoshimura et al., 2017: Reading section 2.2 Protcol for laboratory visits, it seems like the study is a ____-subjects design and therefore, comparing eating breakfast vs. skipping breakfast would require a ____-_ test.
  3. 3. Ramani et al. 2017 – page 482 first paragraph. The researchers reported the correlations between initial numerical knowledge and improvement in number line task. With r = -.52 for the number game group, the researchers interpreted this as lower initial knowledge was associated with ____ gain.
  4. 5. Yoshimura et al. 2017: Figure 1 displays _____. (What kind of graphs?)
  5. 6. Dillion et al., 2023. Examine Figure 1. What kind of correlation is appropriate for this analysis?
  6. 8. Ramni et al., 2017. Read the last sentence on page 479. How large is the effect size for accuracy? Sml for small, med for medium, lrg for large.
  7. 11. Ramani et al. 2017 – they compared children with lower initial knowledge with children with higher initial knowledge on how much they improved on the number line task. They performed a(n) ____-samples t-test.
  8. 13. Dillion et al., 2023. The authors found GPT-3.5 (better known as ChatGPT)’s moral judgment to be “extremely well aligned with human moral judgments . . . (r = 0.95). In this case, this is almost ___ correlated.