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ERIC Number: ED020909
Record Type: RIE
Publication Date: 1968-Feb
Pages: 51
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
THE USE OF AN ADVANCE ORGANIZER IN TEACHING SELECTED CONCEPTS OF ECOLOGICAL SYSTEMS.
TRIEZENBERG, HENRY J.
REPORTED IS THE DETERMINATION OF THE RELATIVE EFFECTIVENESS OF THREE LEVELS OF ABSTRACTION (VERBAL, SKETCH, MECHANICAL MODEL) IN THE USE OF THE CONCEPTUAL SCHEME OF EQUILIBRIUM AS AN ADVANCED ORGANIZER APPLIED TO INSTRUCTION WITH REFERENCE TO ECOLOGICAL SYSTEMS. LESSONS WERE TELEVISED TO CONTROL THE INSTRUCTION OF PUPILS IN GRADES 7 AND 9. THE DESIGN INCLUDED A PRETEST, THE TEACHING OF NINE LESSONS, AND A POST-TEST AT THE COGNITIVE LEVELS OF (1) KNOWLEDGE, (2) COMPREHENSION, AND (3) APPLICATION. THE POST-TEST WAS GIVEN TWICE--FIRST, TO DETERMINE CONCEPT ATTAINMENT IMMEDIATELY FOLLOWING INSTRUCTION AND SECOND, TO DETERMINE CONCEPT RETENTION SIX WEEKS LATER. INDICATED WERE THAT (1) AT THE COMPREHENSION LEVEL THE USE OF MECHANICAL MODELS AS THE REFERENCE TO THE ORGANIZER WAS SIGNIFICANTLY SUPERIOR TO VERBAL REFERENCE OR THE USE OF SKETCHES, (2) SIGNIFICANTLY HIGHER MEAN TEST SCORES WERE EARNED IN GRADE 9 THAN IN GRADE 7, AND (3) A SIGNIFICANT DECREASE IN MEAN SCORES EARNED BY PUPILS IN GRADE 9 OCCURRED AT THE KNOWLEDGE LEVEL BETWEEN THE TIME OF THE FIRST POST-TEST AND THE SECOND (RETENTION) POST-TEST--A SMALL BUT STILL SIGNIFICANT DECREASE OCCURRED IN BOTH GRADES AT THE COMPREHENSION LEVEL--AND NO SIGNIFICANT DECREASE OCCURRED AT THE APPLICATION LEVEL. THE EVALUATION INSTRUMENT IS AVAILABLE IN PRACTICAL PAPER NO. 3 OF THE CENTER. (DS)
Publication Type: N/A
Education Level: N/A
Audience: N/A
Language: N/A
Sponsor: N/A
Authoring Institution: Wisconsin Univ., Madison. Research and Development Center for Cognitive Learning.
Identifiers: SCIENCE CONCEPT LEARNING PROJECT