Table 3.

Intercorrelations Between Diary Measures

	PS	Upset PS	AS	Upset AS	TS	Upset TS	PT	English flow	Maths flow	Science flow	ADR
Total number of peer     stressors (PS)	1.00	0.91**	0.28*	0.26*	0.38**	0.38**	0.20	−0.36**	−0.12	−0.11	−0.11
Upset caused by peer     stressors (Upset PS)	0.93**	1.00	0.20	0.24	0.31*	0.36**	0.22	−0.37**	−0.17	−0.15	−0.26
Total number of academic     stressors (AS)	0.29*	0.36**	1.00	0.79**	0.12	0.26*	0.33**	−0.14	−0.09	−0.21	−0.21
Upset caused by academic     stressors (Upset AS)	0.32*	0.38**	0.84**	1.00	0.18	0.44**	0.21	−0.27*	−0.15	−0.30*	−0.30*
Total number of teacher     stressors (TS)	0.54**	0.47**	0.39**	0.38**	1.00	0.85**	−0.10	−0.18	−0.09	0.04	−0.03
Upset caused by teacher     stressors (Upset TS)	0.59**	0.47**	0.33*	0.35**	0.90**	1.00	−0.10	−0.21	−0.11	−0.03	−0.13
Total positive teacher     interactions (PT)	0.16	0.07	0.35**	0.23	0.26	0.14	1.00	−0.05	−0.07	−0.06	0.01
Flow in English	−0.47**	−0.44**	−0.24	−0.35**	−0.20	−0.30*	−0.09	1.00	0.31*	0.37**	0.49**
Flow in Mathematics	−0.43**	−0.42**	−0.26*	−0.46**	−0.11	−0.26*	−0.04	0.88**	1.00	0.82**	0.60**
Flow in Science	−0.25	−0.25	−0.37**	−0.56**	−0.14	−0.23	−0.04	0.67**	0.73**	1.00	0.65**
Average day rating (ADR)	−0.37**	−0.34**	−0.10	−0.23	−0.25	−0.45**	−0.05	0.57**	0.60**	0.43**	1.00

Note: Lower diagonal shows phenotypic correlations between diary measures.

Upper diagonal shows nonshared environmental (MZ differences) correlations between diary measures.