Paired sample t-tests
When writing the IA, nothing seems to worry students (and teachers) more than applying inferential statistics. And yet - it is not as difficult as it may seem.The paired sample t-test is used when we have a repeated measures design. The t-test is used with larger sample sizes. Using the t-test with smaller sample sizes may lead to a Type I error - the rejection of a true null hypothesis. If you have a sample size smaller...