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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