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Table 2 Post-test z-scores by study group

From: Reinforcing outpatient medical student learning using brief computer tutorials: the Patient-Teacher-Tutorial sequence

Topic Tutorial + Relevant Patient + Tutorial + Relevant Patient – Tutorial – Relevant Patient + Tutorial – Relevant Patient – Statistical Significance
N M SD N M SD N M SD N M SD
ORS Post-test 19 1.23 0.51 28 0.51 1.0 23 -0.18 0.71 22 -0.17 0.93 F = 4.0 (1,87); p  0.05
FWS Post-test 22 0.91 0.81 23 0.53 1.9 28 -0.15 0.77 19 0.33 0.82 F = 1.7 (1,87); p = NS
OVERALL 41 1.06 0.70 51 0.52 1.1 41 -0.24 0.88 51 -0.17 0.74 F = 4.8 (1,175); p = 0.03
  1. · ORS = Oral Rehydration Solutions topic; FWS = Fever Without Source topic.
  2. · N = number of participants; M = mean z-score; SD = Standard Deviation.
  3. · For the ORS and FWS Post-test scores, the F-tests are for the interaction of Case with Tutorial for the partial ANCOVA model for the respective topic while the Overall F-test is from Table 1.
  4. · All analyses adjusted for pre-test score.
  5. · ORS cells are yoked to FWS cells (and vice-versa) per the study design (see Figure 2); for example, all students who were Tutorial +, Patient + for the FWS .Post-test were Tutorial – and Patient – for the ORS Post-test.