Chapter 12 – Data Analysis and Interpretation: Part II. Tests of Statistical Significance and the Analysis Story
18. (p. 381) The level of significance, or alpha, in psychological research is generally set at
19. (p. 381) The probability we use to define a statistically significant outcome is called
20. (p. 381) Null hypothesis significance testing uses the laws of probability to estimate the
likelihood of an outcome by first assuming that
21. (p. 382–383) A result that is not “statistically significant” means that