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ERIC Number: EJ099912
Record Type: CIJE
Publication Date: 1974
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
On the Internal and External Validity of Simple Longitudinal Designs
Labouvie, Erich W.; And Others
Child Development, 45, 2, 282-290, Jun 74
The effects of selective dropout and retesting on the assessment of developmental changes in abilities during adolescence are examined. (ST)
Publication Type: N/A
Education Level: N/A
Audience: N/A
Language: N/A
Sponsor: N/A
Authoring Institution: N/A