| Longitudinal |
25 |
| Cross-Sectional |
12 |
| Individual Differences |
7 |
| Correlational |
7 |
| Cohort Sequential |
5 |
| Control Group |
5 |
| Randomized Control Trial |
5 |
| Meta-Analysis |
4 |
| Secondary |
4 |
| Multilevel |
4 |
| Panel |
1 |
| Time Series: Discrete |
1 |
| Parallel Process Study of Infant Movement and Language Learning |
1 |
| Repeated Acquisition Design |
1 |
| Multiple Baseline Across Participants Design |
1 |
| Sequential Multiple Assignment Randomized Trial |
1 |