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SPSS Analysis: Two Sample t-test (Independent Samples) Problem: In recent years, there has been increased attention on style of teaching within the classroom. The question emerges: should teachers stick to the standard/traditional style of Group Statistics teaching in which the student is a passive learner of information, taking in information as it is delivered or should teachers adopt an experimentalontraditional style in which the student is Teaching method Mean Std. Deviation Std. Error Mean thought of as an active part of the learning process, seeking out information and helping to identify Test Change Standard 1373 10.0532 3.29381 08889 Experimental 760 15.9276 3.31583 12028 their correct educational path. The current research sought to investigate this question further. Researchers investigated the abilities of 4th grade students after they were exposed to either a standard style of teaching or an experimental style of teaching. They were given a Independent Samples Test pretest before the teaching began and a posttest after its completion. The groups will be compared Levene's Test for Equality of t-test for Equality of Variances Means on the difference between these tests (posttest - pretest). The researchers are interested in a significant difference between the groups at the .05 alpha level. F Sig. df *Note: this is still an independent samples t-test because we are not comparing the pre-test to the Test Change Equal variances assumed 212 645 -39.353 2131 39.278 1557.520 post-test results. We are instead comparing the test results of the kids who were exposed to one Equal variances not assumed style of teaching with those who were exposed to another (2 independent groups). Independent Samples Test Hypotheses: In a brief paragraph, describe your impression of the question. If you had to make an t-test for Equality of Means educated guess, based on your own real-life experience, how do you think test results will differ by Significance Std. Error teaching method? State the null and alternative hypotheses (State these using the variable names; One-Sided p Two-Sided p Mean Difference Difference you do not need to use any numbers). Identify the Independent and Dependent variable Test Change Equal variances assumed <.001 equal variances not assumed . results: identify the primary goal of this analysis. report t-value and p-value discuss in words if test results differ significantly by teaching style how do you know independent samples which did kids perform better t-test for equality means confidence interval difference conclusions: write a brief paragraph that discusses what learned from these variables lower upper including comparing your findings to guesses first question above. were change predictions supported limitations two-sample samples. are conclusions different than those one-sample>