Descriptor
| Academic Achievement | 1 |
| Birth Order | 1 |
| Comparative Analysis | 1 |
| Elementary School Students | 1 |
| Individual Needs | 1 |
| Intelligence Differences | 1 |
| Motivation | 1 |
| Socioeconomic Influences | 1 |
| Tables (Data) | 1 |
Source
| Child Development | 1 |
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Peer reviewedAdams, Russel L.; Phillips, Beeman N. – Child Development, 1972
When differences in level of motivation were controlled, all of the previously found differences between firstborn and later born disappeared. (Authors)
Descriptors: Academic Achievement, Birth Order, Comparative Analysis, Elementary School Students
