Table 1 Summary of sample sizes in the...

Table 1

Summary of sample sizes in the study

Process of instrument development	First and second schools	Third and fourth schools
1. Scale construction
1.1 Interviews	17
1.2 Item selection	310
2. Psychometric property testing
2.1 CFA and reliability		303
	Total	630

Process of instrument development	First and second schools	Third and fourth schools
1. Scale construction
1.1 Interviews	17
1.2 Item selection	310
2. Psychometric property testing
2.1 CFA and reliability		303
	Total	630