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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.

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ERIC Number: EJ042719
Record Type: CIJE
Publication Date: 1971
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0022-4308
The Effect of Degrees of Direction in the Qualitative Analysis Laboratory on Retention of Learning
Holcomb, Charlie M.
Journal of Research in Science Teaching, 8, 2, 165-169, 71
Students given sufficient information to be able to design chemical separations of cations performed better on a post-test, and on a four-month retention test on chemical knowledge and laboratory procedures, than students given a detailed laboratory guide listing the steps to follow. (AL)
Descriptors: Chemistry, College Science, Discovery Learning, Educational Research, Instruction, Learning
Publication Type: N/A
Education Level: N/A
Audience: N/A
Language: N/A
Sponsor: N/A
Authoring Institution: N/A
Identifiers: N/A