I ran these tests in excel, as I don't have access to Jamovi or SPSS from where I work. what I am most nervous about is that Excel messed up ... ... <看更多>

your significance level, you can reject the hypothesis. The difference between the two means is statistically significant. Your sample provides ... ... <看更多>

Can anybody tell me why the results are different? Here is the independent t-test in SPSS (with t-value 0,181 and p-value 0,857):. enter image ... ... <看更多>