Table 2.

Quartile-based tests: main effects and interactions of 2 (measure: self-assessed vs. measured creativity) × 4 (Creativity quartile) analyses of variance.

Study	SA condition	Effect	F	DFn	DFd	p	η2g
1	Absolute Pre-SA	Quartile	323.16	3	421	< 0.001	0.547
		Measure	2.73	1	421	0.099	0.003
		Quartile × Measure	181.04	3	421	< 0.001	0.381
	Relative Pre-SA	Quartile	378.92	3	421	< 0.001	0.575
		Measure	22.47	1	421	< 0.001	0.026
		Quartile × Measure	225.63	3	421	< 0.001	0.445
	Absolute Post-SA	Quartile	330.79	3	421	< 0.001	0.564
		Measure	9.33	1	421	0.002	0.010
		Quartile × Measure	162.95	3	421	< 0.001	0.344
	Relative Post-SA	Quartile	363.58	3	421	< 0.001	0.580
		Measure	55.58	1	421	< 0.001	0.058
		Quartile × Measure	196.05	3	421	< 0.001	0.395
2	Absolute Pre-SA	Quartile	200.40	3	313	< 0.001	0.496
		Measure	6.44	1	313	0.012	0.010
		Quartile × Measure	134.59	3	313	< 0.001	0.386
	Relative Pre-SA	Quartile	234.55	3	313	< 0.001	0.539
		Measure	19.78	1	313	< 0.001	0.029
		Quartile × Measure	163.01	3	313	< 0.001	0.429
	Absolute Post-SA	Quartile	241.00	3	313	< 0.001	0.547
		Measure	0.02	1	313	0.884	0.000
		Quartile × Measure	128.66	3	313	< 0.001	0.371
	Relative Post-SA	Quartile	274.98	3	313	< 0.001	0.580
		Measure	28.28	1	313	< 0.001	0.041
		Quartile × Measure	143.50	3	313	< 0.001	0.395

SA = Self-assessed creative performance; Absolute/Relative = Self-assessment in general/compared to others; Pre/Post = Self-assessments pre/post DT task performance.

η²_g = generalized eta square. n_{Study 1} = 425. n_{Study 2} = 317.