Keyphrases
Cardiovascular Fitness
20%
Construct Validity
10%
Convergent Validity
10%
Exploratory Factor Analysis
10%
Further Development
10%
General Test
10%
Internal Consistency Reliability
20%
Intervention Research
10%
Item-total Correlation
10%
Measurement Properties
10%
Method Study
10%
Moderate-to-vigorous Physical Activity
10%
Older children
100%
Out-of-school
10%
Physical Activity
10%
Physical Activity Questionnaire
100%
Psychometric Properties
100%
Reliability Factor
10%
Self-report Habit Index
20%
Self-report Measures
10%
Structure Validity
10%
Psychology
Body Mass Index
16%
Construct Validity
8%
Convergent Validity
8%
Exploratory Factor Analysis
8%
Physical Activity
100%
Psychometrics
100%
Self-Report
16%
Self-Report Questionnaire
8%