Jonathan performs an independent-groups t test analysis on his data and finds a calculated t value of +7.26, p < .05. In terms of this result, which of the following statements is true?
a. This effect is much stronger than if the t value had turned out to be –7.26.
b. Jonathan's study must have utilized an independent variable with 3 levels or groups.
c. The results of this study did not turn out to be statistically significant.
d. The probability of committing a Type I error is less than 5%.
d
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