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Table 1 Community overview for first 180 days according to SE evaluation criteria

From: Sustainability of Stack Exchange Q&A communities: the role of trust

Site

Status

Answered

Questions per day

Answer ratio

Physics

Closed

83%

1.93

1.64

Active

93%

11.76

2.74

Literature

Closed

79%

1.77

1.65

Active

74%

5.04

1.10

Astronomy

Closed

95%

2.62

2.02

Active

96%

3.57

1.49

Economics

Closed

68%

2.04

1.25

Active

84%

5.66

1.37

Stack Exchange criteria

Excellent

>90%

>10

>2.5

Needs some work

<80%

<5

<1