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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.

Learn more about the history of ERIC here. PDF icon

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Statistical Significance: A Misunderstood Concept.
Peer reviewed Peer reviewed
Markel, William D. – School Science and Mathematics, 1985
The concept of statistical significance is explained, with specific numerical illustrations. (MNS)
Descriptors: Educational Research, Mathematical Concepts, Probability, Research Methodology
Are Elementary Teachers Better Prepared in the Content of Elementary Mathematics in the 1980s?
Peer reviewed Peer reviewed
Gibney, Thomas; And Others – School Science and Mathematics, 1988
Compares the mathematical understandings of 1983-85 elementary teachers with similar teachers of two earlier testing periods. Discusses the change in the measured mathematical competency levels of preservice and inservice elementary teachers with graphs and data tables. (YP)
Descriptors: Elementary Education, Elementary School Mathematics, Longitudinal Studies, Mathematical Concepts
Secondary Science Enrollment Trends and the Recent National Reports.
Peer reviewed Peer reviewed
Glass, Lynn W. – School Science and Mathematics, 1990
Examines public high school science enrollment trends in the state of Iowa. Presents enrollment data since 1978. (YP)
Descriptors: Enrollment, Enrollment Trends, School Statistics, Science Education