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Unformatted text preview: then averaging the results. This has to be done twice since there are two control groups and two experimental groups. c. Statistical significance shows whether is the results are extreme or not. It can be either strong or wealr. For example, if the statistical significance is low, that the means it is least likely due to chance. What would lead me to conclude that the groups are statistically significant is if the at-rislr students who attend 51 sessions receive grades with E’s {who had previously received Us or below] compared to students who did not attend the SI sessions, who still receive C’s and below. 4. Conclusion a. Dr. Bob would not be correct because the students who visited him were not out of a random sample from at—rislt students. Perhaps these at—rislts students had etm'aneous variables that were not controlled. This cannot be carried out for the entire at— risk population because the extraneous variables were not measured, sud] as outside work, class schedule, free time, disabilities, etc. b. The at—rislr students have a much better course performance than the comparison smrlents because there were only two volunteers compared to the size of the population of the comparison group. These two students probably had more personal learning from the pilot study. c. The results that can be depicted from the figure is that the experimental group had between a Bil—95% as their course grade while the control group had T5—BD% as their course grade. The experimental group {at—risk students} had benefited a lot from their pilot SI session, therefore reflecting that in their grade. ...
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