233
- dependent, see: dependent variable
- explanation of, 43
- independent, see: independent variable
- intervening, 69
- isolation of, 20, 62, 103, 112, 117, 119, 143, 146
- measurement, see: measurement types, data
- quantification, 15
- relations among, 13, 15, 22, 43, 46, 50, 53-60, 119
- significant, 27
- uncontrolled, 18, 105, 116-118
- unknown, 7, 18, 20, 32, 37, 118
verification, see: confirmation and refutation
W
work
- intensity of, 197, 198
- satisfaction, 200
