cvi CONTENTS
Message/Materials Testing, 64
Quantitative Formative Research, 65
Using Formative Techniques for Outcome Evaluation, 69
Summary, 70
5. Process Evaluation, 73
Six Points for Process Evaluation, 75
Uses of Process Evaluation Data, 78
How to Do Process Evaluation, 82
Distinction Between Research Types, 83
Summary, 83
II METHODS, 85
6. Study Design, 87
Background, 87
Causality, 88
Study Validity, 89
Study Designs, 96
Hypothetical Scores, 102
Selecting a Study Design, 104
Blinded Studies, 105
Contamination, 105
Summary, 107
7. Sampling and Sample Size, 109
Sample Types, 110
Sample Size, 113
Power, 117
Sample Selection, 120
Summary, 121
8. Data Collection and Management, 123
Construction of Questionnaire or Instrument, 123
Interview Methods, 131
Response Rates, 133
Data Management, 135
Combining (Appending and Merging) Two Datasets, 144
Summary, 146
9. Univariate Analysis and Scale Construction, 147
Univariate Statistics, 147
Scale Creation, 151
Summary, 162