Question: module 4 dq 1 argument Deliah

Due to the fact this researcher was asked to examine any potential relationship between the average number of days of teacher collaborative activities and student learning (i.e., post-test minus pre-test). This researcher would utilize a Paired Samples t-test, because the researcher is asked to examine the potential relationships between students (pre-test and post-test) and compare their math scores pre-test, post-test and beginning and end of the semester. Shier (2004) reports a paired t-test is used to compare two population means where you have two samples in which observations in one sample can be paired with observations in the other sample. Examples of where this might occur are:

(1) Before-and-after observations on the same subjects (e.g. students' diagnostic test results before and after a particular module or course; and

(2) a comparison of two different methods of measurement or two different treatments where the measurements/treatments are applied to the same subjects (e.g. blood pressure measurements using a stethoscope and a dynamap).