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| Attention Span | 2 |
| Infant Behavior | 2 |
| Infants | 2 |
| Adaptation Level Theory | 1 |
| Bias | 1 |
| Cognitive Development | 1 |
| Experimental Groups | 1 |
| Eye Fixations | 1 |
| Fixed Sequence | 1 |
| Longitudinal Studies | 1 |
| Research Methodology | 1 |
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| Child Development | 1 |
Author
| Lewis, Michael | 2 |
| Johnson, Norma | 1 |
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Download full textLewis, Michael; Johnson, Norma – Child Development, 1970
This study investigated the common practice in infant research of eliminating from reported data large numbers of subjects who prove uncooperative (sleepy, fatigued, fussy) during the experiment. It was suggested that these excluded infants constitute a special class of subjects and that the inclusion of their data would greatly alter the research…
Descriptors: Attention Span, Bias, Experimental Groups, Infant Behavior
Lewis, Michael; And Others – 1966
Three related experiments were conducted to investigate the effects of novel and familiar stimuli on infant attention. The procedure in each of the experiments was to place an infant before a matrix panel composed of six rows of six lights. Two patterns of lights were used to obtain the infants' fixation time: (1) a point pattern, a single…
Descriptors: Adaptation Level Theory, Attention Span, Cognitive Development, Eye Fixations
