Descriptor
| Behavioral Science Research | 1 |
| Equipment Evaluation | 1 |
| Hyperactivity | 1 |
| Measurement Instruments | 1 |
| Research Tools | 1 |
| Tables (Data) | 1 |
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| Child Development | 1 |
Author
| Johnson, Charles F. | 1 |
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Peer reviewedJohnson, Charles F. – Child Development, 1971
An actometer is a modified self-winding calendar watch which records acceleration and deceleration of movements with a significant component" in the same plane as the face of the watch. Actometers tested in this study were not reliable. (Author/MB)
Descriptors: Behavioral Science Research, Equipment Evaluation, Hyperactivity, Measurement Instruments
