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| Age Differences | 18 |
| Data Analysis | 18 |
| Developmental Psychology | 18 |
| Task Performance | 7 |
| Elementary School Students | 5 |
| Concept Formation | 4 |
| Responses | 3 |
| Sex Differences | 3 |
| Affective Behavior | 2 |
| Attention | 2 |
| Cognitive Development | 2 |
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| Child Development | 6 |
| Developmental Psychology | 6 |
| Journal of Experimental Child… | 3 |
| British Journal of… | 1 |
| Human Development | 1 |
| Journal of Genetic Psychology | 1 |
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Peer reviewedSinger, Dorothy G.; Kornfield, Barbara – Developmental Psychology, 1973
Given a chance to eat the candy or drink the juice in this study, the 5-year-olds, 7-year-olds and young adults failed to conserve and made choices based on what they said was appearance of greater quantity rather than upon the already established equivalencies. (Authors/CB)
Descriptors: Age Differences, Cognitive Processes, Conservation (Concept), Data Analysis
Peer reviewedHennings, James S., S. J.; Kornreich, L. Berell – Child Development, 1971
Finding supports the educational theory and practices of Montessori educators. (Authors)
Descriptors: Age Differences, Data Analysis, Developmental Psychology, Elementary School Students
Peer reviewedHawkins, Robert P. – Child Development, 1973
Study demonstrates that the curvilinear relation between age and peripheral learning from films may not be so general a phenomenon as it appeared from previous research. (Author/CB)
Descriptors: Age Differences, Attention, Childhood Interests, Content Analysis
Peer reviewedGale, A.; Lynn, R. – British Journal of Educational Psychology, 1972
It is concluded that attentional capacity is independent of intelligence, and that critical changes in this capacity may occur between ages 8 and 9. (Authors)
Descriptors: Age Differences, Attention, Children, Data Analysis
Peer reviewedMcCarver, Ronald B. – Child Development, 1972
The performance of the older subjects (10 years and up) was facilitated by the organizational cues, whereas that of younger subjects was not. (Author)
Descriptors: Age Differences, Cues, Data Analysis, Developmental Psychology
Peer reviewedPapalia, Diane E. – Human Development, 1972
Although the ability to conserve number held up well with age, quantity conservation performance was generally lower in the subjects over 65 years of age than in the college and adult age groups. (Author)
Descriptors: Age Differences, Cognitive Processes, Conservation (Concept), Data Analysis
Peer reviewedMiller, Leon K. – Child Development, 1972
Results were interpreted in terms of current conceptions of age differences in information-processing speed. (Author)
Descriptors: Age Differences, Data Analysis, Developmental Psychology, Information Processing
Peer reviewedSolomon, Daniel; Ali, Faizunisa A. – Developmental Psychology, 1972
Major findings of this study are that (a) there is an increasing tendency, with increasing age, to make differential use of different communication channels according to the aspect of meaning considered, and (b) the relative importance of intonation to perceptions of affective meaning increases with age. (Authors)
Descriptors: Age Differences, Communication (Thought Transfer), Communication Skills, Data Analysis
Peer reviewedAiken, Leona S.; Williams, Tannis M. – Developmental Psychology, 1973
The results provide evidence of remarkable consistency in both accuracy and manner of performance from first grade through college age levels. (Authors)
Descriptors: Adults, Age Differences, Concept Formation, Data Analysis
Peer reviewedCollins, W. Andrew – Developmental Psychology, 1973
The developmental hypothesis that behavioral differences between subjects in the two temporal separation conditions would decline over grades was supported by the data. (Author)
Descriptors: Affective Behavior, Age Differences, Aggression, Data Analysis
Peer reviewedFriedland, Seymour J. – Journal of Genetic Psychology, 1973
The development of children's conceptualization of various roles appears to parallel general conceptual development. That is, there appears to be a developmental progression from role concepts based on concrete-specific acts and details to those based on general abstract functions. (Author)
Descriptors: Age Differences, Childhood Attitudes, Cognitive Development, Concept Formation
Peer reviewedSantrock, John W. – Child Development, 1972
While father absence due to divorce, desertion, or separation had the most negative influence in the initial 2 years of the child's life for boys and girls, father absence due to death was the most detrimental when it occurred in the 6 - 9 period of the boy's life. (Author)
Descriptors: Academic Achievement, Age Differences, Cognitive Development, Data Analysis
Peer reviewedBlock, Karen K.; And Others – Developmental Psychology, 1973
Results showed that reversal shift was easier than extradimensional shift and that relative shift difficulty was unaffected by instructions, in contrast to findings with college-age subjects. (Authors)
Descriptors: Age Differences, Concept Formation, Data Analysis, Developmental Psychology
Peer reviewedHorowitz, Frances Degen; And Others – Developmental Psychology, 1972
Descriptors: Age Differences, Cross Sectional Studies, Data Analysis, Developmental Psychology
Peer reviewedNuessle, William – Journal of Experimental Child Psychology, 1972
It was concluded that developmental differences in focusing are related to developmental differences in reflection-impulsivity. (Author)
Descriptors: Age Differences, Conceptual Tempo, Data Analysis, Developmental Psychology
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