Scenario Dr. Lyons studies moral development in children, and he wonders at what age children begin to believe that lying is okay if it is for a good reason (e.g., lying so as not to hurt someone's feelings). In order to study this, he asks children questions about lying. He tests children when they are 4 years old, and then tests the same children again when they are 6 years old, 8 years old, 10 years old, and 12 years old. Question at position 14 14 3 points Question at position 14 This is an example of a _______.
1) Longitudinal design
2) Archival design
3) Cross-sectional design
4) Within-subjects true experimental design
5) Correlational study