PSYC402 Lecture Notes - Lecture 2: Repeated Measures Design, Statistic, Test Statistic
Document Summary
Iudependent-measuoesdeslgninho: most research studies compare two or more sets of data. Data from two completely different , independent participant groups (an independent - measures or between- subjects design) Data from the same or related participant group is) la within- subjects or repeated - measures design) r each design has different strengths t weaknesses. Independent-measwest-tests. us the same four steps as the other hypothesis tests. Pick the test t state the hypotheses. Collect data t compute the test statistic. Make a decision t interpret results region. Dick the test : choose independent samples f - test if : You have 2 groups that are not related. " decision rule : need to know a. Df : need for each group (n - t: calculations needntopooted variance , (cid:8869) use the df total standard error, If sample sizes are equal , skip the first step , to find the tcu and total t t statistic t calc .
