| SELECTING A SAMPLE |
| Some Solutions to the Problem of Representativeness |
| Another Approach: The National Survey |
| | METHODS OF GATHERING DATA ABOUT CHILDREN |
| Children's Self-Reports |
| Reports by Family Members, Teachers, and Peers |
| Direct Observation |
| | RESEARCH DESIGN: ESTABLISHING RELATIONSHIPS AND CAUSES |
| The Correlational Method |
| The Laboratory Experiment |
| Field and Natural Approaches |
| Combination Designs in Developmental Research |
| The Case Study Approach |
| | STUDYING CHANGE OVER TIME |
| The Cross-Sectional Method |
| The Longitudinal Method |
| The Sequential Method |
| | THE ETHICS OF RESEARCH WITH CHILDREN |
| | SUMMARY |
