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Table 6 Comparison of different groups of (non)-responding in TESS

From: Identifying low test-taking effort during low-stakes tests with the new Test-taking Effort Short Scale (TESS) – development and psychometrics

External criterion

Group

N

M (SD)

ANOVA

Scheffé test

(A) BPT test time (hours:minutes)

Non-responders (G1)

122

1:22 (0:53)

F(2) = 85.40; p < 0.01, η2 = 0.29

G2 < G1 < G3

Low TTE (G2)

100

0:58 (0:40)

  

High TTE (G3)

198

2:01 (0:34)

  

(B) BPT test score

Non-responders (G1)

71

35.77 (45.14)

F(2) = 9.31, p < 0.01, η2 = 0.08

G1 = G2 and G1 = G3

Low TTE (G2)

52

22.04 (36.08)

  

High TTE (G3)

106

49.27 (33.44)

  
  1. Comparison of non-responders in TESS (G1) with responders with low test-taking effort (G2) and responders with high test-taking effort (G3), as defined by (A) BPT test scores or (B) BPT test time
  2. N number of participants, M mean, SD Standard deviation, TTE test-taking effort, low vs. high TTE determined by stanine standardization, see Table 5