(5 marks) A study was conducted to investigate the effectiveness of active learn
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(5 marks) A study was conducted to investigate the effectiveness of active learning in a university's introductory biology course. At the start of term, all students were given a pre- test. After the pre-test the students were split into two groups: one group was taught using traditional lectures (ni-110) and the other group was taught using a variety of active learning methods (n2=115). At the end of term all students were given post-test. The data was analyzed using R. The variables in the analysis are: All pretest marks pretest postest pre.traditional pre.active post.traditional post.traditional All posttest marks Pretest marks for the students who were taught using traditional lectures Pretest marks for the students who were taught using active learning methods Posttest marks for the students who were taught using traditional lectures Posttest marks for the students who were taught using active learning methods > t.test (posttest,pretest) Welch Two Sample t-test t - 9.2043, df= 429.15, p-value t.test (post.traditional-pre.traditional,post.active-pre.active) Welch Two Sample t-test --1.7526, df 216.76, p-value-0.08109 t.test (post.traditional, post.active) Welch Two Sample t-test t-0.68176, df 220.11, p-value0.4961 What do you conclude about active learning? Be sure to justify your conclusionExplanation / Answer
Answer to the question)
The first test result for post test and pretest score comparion has a Pvalue that is very small
Since the P value < 0.05 , we conclude that there has been a change in scores before teaching the students and after teaching the students. Thus overal the perfromance of students has changed after teaching them (irrespective of the method of teaching).
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The second test result is for traditional versus active teaching method overall scores comparison
The P value obtained is : 0.08109, since this P value is greater than 0.05 the significance level , we conclude that there is insufficient evidence that the traditional method scores are any different from the active learnign scores. or in simple words we conclude that both the methods resulted is same scores overall (irrespective of whether the scores were of pre-test or post test)
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The third test result is for post traditional scres versus the post active scores.
Now in this test specifically the effect of the active learning technique is tried to be analysed. Only the posttest scores are considered and compared for two different teaching methods.
The value observed for this test is 0.4961. This P value is very large.
Since the P value 0.4961 > alpha 0.05 , we fail to conclude that the scores of active learnign are any different from the traditional learning scores.
Thus we conclude that Active learning method and traditional teaching method both are equally effective.
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