![]() The results from the pre-test ( M = 13.5, SD = 2.4) and post-test ( M = 16.2, SD = 2.7) memory task indicate that the presence of caffeine in the bloodstream resulted in an improvement in memory recall, t(19) = 3.1, p =. ![]() 097, despite women ( M = 55, SD = 8) attaining higher scores than men (M = 53, SD = 7.8). There was no significant effect for sex, t(38) = 1.7, p =. The 25 participants who received the drug intervention ( M = 480, SD = 34.5) compared to the 28 participants in the control group ( M = 425, SD = 31) demonstrated significantly better peak flow scores, t(51) = 2.1, p =. 026.Ĭoffee drinkers spent more time awake ( M = 17.8, SD = 1.4) than the population norm, t(28) = 2.6, p <. ![]() United fans reported higher levels of stress ( M = 83, SD = 5) than found in the population as a whole, t(48) = 2.3, p =. It's the context you provide when reporting the result that tells the reader which type of t-test was used. T( degress of freedom) = the t statistic, p = p value. The basic format for reporting the result of a t-test is the same in each case (the color red means you substitute in the appropriate value from your study): There are a number of different t-tests, the most common being single sample t-test, independent t-test and dependent t-test. The APA style guide details precise requirements for citing the results of statistical tests, which means as well as getting the basic format right, you've got watch out for punctuation, the placing of brackets, italicisation, and the like. How to Report a T-Test Result in APA Style
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