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Table 1 Comparison of summary data from the listwise deletion and imputed data

From: A comparison study of human examples vs. non-human examples in an evolution lesson leads to differential impacts on student learning experiences in an introductory biology course

  

Content

Knowledge

Relevance

Engagement

Discomfort

I-SEA:

Human Evo

Class Grade

(0–11)

(0–24)

(0–20)

(0–12)

(0–32)

(0–4.0)

Pre

Post

Course

Lesson

Course

Lesson

Course

Lesson

-

-

Animal

Listwise Deletion

3.93 (1.94)

(n = 249)

4.06 (1.93)

(n = 186)

13.4 (4.71) (n = 252)

14.3 (4.40) (n = 187)

11.5 (4.52)

(n = 248)

11.2 (4.16) (n = 188)

1.96 (2.37) (n = 252)

2.28 (2.64)

(n = 187)

22.8 (5.98)

(n = 263)

3.04 (0.91)

(n = 319)

Imputed Data

3.70

(n = 70)

4.19

(n = 133)

13.3

(n = 67)

14.7

(n = 132)

11.4

(n = 71)

11.6

(n = 131)

2.46

(n = 67)

2.58 (n = 132)

22.8

(n = 56)

No missing values

Human

Listwise Deletion

3.94 (2.03)

(n = 269)

4.59 (2.39)

(n = 173)

13.3 (4.25)

(n = 271)

13.9 (4.62)

(n = 172)

11.5 (4.38)

(n = 269)

10.9 (4.61)

(n = 171)

1.87 (2.21)

(n = 270)

1.76 (2.31)

(n = 172)

23.9 (5.69)

(n = 284)

3.15 (0.79)

(n = 354)

Imputed Data

3.94

(n = 85)

4.30

(n = 181)

13.3

(n = 83)

13.9

(n = 182)

11.2

(n = 85)

10.9

(n = 183)

1.99

(n = 84)

2.09

(n = 182)

26.9

(n = 70)

No missing values

  1. Means and number of data points are included for both listwise deletion and imputed data. Standard errors for the listwise deletion data are in parentheses