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Table 2 Medical laboratory science and biotechnology students’ overall improvement throughout the five experiments (N = 32)

From: Thinking more wisely: using the Socratic method to develop critical thinking skills amongst healthcare students

 

Learning sheets 1 st / 2 nd evaluation

 

Overall improvement

 

Mean (SD)

Slope †

Multivariate regression

Experiment

1

2

3

4

5

 

95% CI

p

Dimension

 Clarity

1.64(1.07)/3.07(0.78)*

1.94(1.13)/2.66(0.48)*

3.06(0.88)/3.91(0.71)*

3.81(0.59)/2.91(0.30)*

2.44(0.84)/2.91(0.30)*

0.410

0.45–1.07

0.0012

 Accuracy

0.47(0.79)/1.77(1.25)*

1.03(1.12)/2.25(1.08)*

2.03(1.03)/3.78(0.72)*

3.06(1.32)/2.53(0.42)*

1.75(0.80)/2.07(0.51)*

0.348

1.35–3.43

0.0995

 Precision

1.21(1.01)/2.53(0.97)*

2.03(0.86)/2.66(0.70)*

2.25(0.62)/3.91(0.83)*

2.91(0.78)/3.90(0.30)*

2.53(0.51)/3.00(0.08)*

0.296

0.30–0.64

0.0659

 Relevance

1.85(1.23)/2.47(1.20)*

2.03(0.69)/2.78(0.42)*

2.19(1.00)/ 3.91(0.70)*

3.38(1.26)/3.91(0.30)*

2.13(0.79)/2.50(0.72)*

0.172

0.69–1.93

0.0007

 Depth

0.26(0.75)/1.77(1.25)*

0.41(0.71)/1.69(1.09)*

0.81(0.64)/3.25(1.29)*

1.88(1.34)/2.19(0.62)*

0.94(0.56)/2.37(0.78)*

0.472

1.28–2.55

0.5733

 Breadth

0.32(0.77)/1.37(1.27)*

0.46(0.72)/1.41(0.80)*

0.59(0.72)/2.13(1.07)*

0.94(0.76)/1.50(1.04)*

0.56(0.50)/1.50(0.98)*

0.360

0.45–1.03

0.6305

 Logic

0.26(0.75)/1.77(1.25)*

0.75(0.95)/2.25(0.95)*

1.47(0.67)/3.66(0.78)*

2.94(1.13)/2.88(0.48)*

1.94(0.80)/2.88(0.34)*

0.455

0.29–0.64

< 0.0001

 Significance

0.26(0.75)/1.77(1.25)*

0.53(0.72)/1.93(0.71)*

0.97(0.62)/2.91(0.83)*

1.25(1.05)/2.91(0.93)*

0.69(0.47)/2.22(0.67)*

0.399

0.83–1.54

0.5859

 Fairness

0.38(0.78)/1.77(1.25)*

0.66(0.87)/2.00(1.11)*

0.78(0.66)/3.06(0.88)*

1.38(1.18)/2.19(1.19)*

0.69(0.47)/2.37(0.78)*

0.417

0.58–1.35

0.4342

  1. *p < 0.05, paired t-tests comparing the evaluations for the first and second learning sheets.
  2. †Slopes are rates of improvement calculated using the fifth learning sheet and the second evaluation scores for the final assessment of improvement. The second evaluation scores for all the other learning sheets were used as linear function factors to plot a quadratic function for each dimension.