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International Journal of STEM Education

Table 3 Differences in science and math teacher CoP network characteristics by the mean

From: Science and mathematics teacher communities of practice: social influences on discipline-based identity and self-efficacy beliefs

CoP network characteristics

Math teacher mean (SD)

Science teacher mean (SD)

Difference mean (math–science)

p valuec

Network variablesa

–

–

–

–

 Network size

8.00 (4.74)

10.35 (6.74)

− 2.35

.034*

 Density

3.03 (0.74)

3.04 (0.77)

− 0.01

.983

 Bridging

2.31 (0.89)

2.78 (1.01)

− 0.48

.008**

 Reach

2.69 (0.79)

2.83 (0.87)

− 0.14

.348

 Frequencyb

3.71 (0.73)

3.51 (0.71)

0.19

.094

 Energizingb

4.07 (0.52)

3.99 (0.64)

0.08

.552

  1. aCharacteristics at the overall network level
  2. bFrequency of interactions and energizing nature of contacts are the average across all contacts in each network. 6 teachers reporting 0 contacts were excluded from analysis. Sample n = 159 (math n = 34; science n = 125)
  3. cp values for differences are from Wilcoxon rank sum test, which is identical to Mann-Whitney U test. Unless otherwise stated, sample n = 165 (math n = 36; science n = 129). Significance: p < 0.05 (*); p < .01 (**)
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