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Table 5 Pair-by-pair t tests of means from Table 4

From: How do machine-generated questions compare to human-generated questions?

Relevance Fluency Ambiguity Pedagogy Depth
Professional vs. knowledge base
p = 0.214 p = 0.546 p = 0.363 p = 0.0167** p = 0.0313**
d = 0.344 d = −0.163 d = 0.235 d = 0.669 d = 0.669
Power = 0.507 Power = 0.612 Power = 0.517 Power = 0.495 Power = 0.594
Knowledge base vs. web
p < 0.01** p = 0.7153 p = 0.3481 p = 0.0659* p = 0.5095
d = −0.9118 d = 0.1153 d = −0.2709 d = −0.4748 d = −0.1735
Power = 0.360 Power = 0.738 Power = 0.546 Power = 0.448 Power = 0.587
Professional vs. web
p = 0.0765* p = 0.9538 p = 0.8453 p = 0.4419 p = 0.1088
d = −0.5472 d = −0.0199 d = −0.0658 d = 0.2383 d = 0.4909
Power = 0.579 Power = 0.954 Power = 0.850 Power = 0.590 Power = 0.567
  1. *means p < 0.10; **means p < .05