P147
Peggy Study, Panel P147 Themes: Language Development, Object Exploration, Social Interactions Source: (Lawler); date: 11/17/1980 Title: Text commentary: These clips comprise a shortened experiment (20 minutes); recording speed slow down reduces voice pitch again. P147A1 Puzzle Box, 22mb P147A2 Puzzle Box, 24mb P147A3 Puzzle Box, 21mb P147B Counting Hats, 6mb P147C1 Reading, 15mb P147C2 Reading, …