International Journal of Educational Technology in Higher Education

Table 3 Comparison of experimental conditions (control, non-gamified; and experimental; gamified) in terms of participant attempts for each point in time (TP)

From: Gamification suffers from the novelty effect but benefits from the familiarization effect: Findings from a longitudinal study

	Yuen-Welch test				Effect size
TP	t(df)	p	p-adj	95% CI	ES	95% CI
1	7.872 (121.11)	0.000	0.000	− 33.123 − 19.811	0.448	0.305 0.596
2	7.781 (130.84)	0.000	0.000	− 22.894 − 13.613	0.443	0.296 0.584
3	0.023 (97.45)	0.982	0.982	− 10.969 10.717	0.033	0.000 0.194
4	0.717 (95.90)	0.475	0.555	− 8.500 3.991	0.061	0.000 0.249
5	1.468 (102.10)	0.145	0.203	− 8.285 1.236	0.100	0.000 0.260
6	3.523 (103.19)	0.001	0.001	− 11.192 − 3.130	0.240	0.070 0.378
7	5.407 (113.15)	0.000	0.000	− 13.916 − 6.453	0.331	0.178 0.467

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