NotesFAQContact Us
Collection
Advanced
Search Tips
50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

Back to results
Peer reviewed Peer reviewed
ERIC Number: EJ187302
Record Type: CIJE
Publication Date: 1978
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
Methodological Issues in Formal Operations Research: What does It Mean to be Formal?
Bady, Richard J.
Science Education, 62, 2, 233-9, Apr-Jun 78
Presents a research study of 66 students in grades 9-12 to determine the validity of assessing cognitive level of development from a single task. Results indicate that one task is not an adequate and reliable measure of a scheme or of formal operations in general. (SL)
Publication Type: N/A
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: N/A