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Peer reviewedSiegel, Linda S. – Child Development, 1974
The development of the ability to associate numerals with sets of appropriate size was studied in children, ages 4 to 5-1/2. (ST)
Descriptors: Cognitive Development, Concept Formation, Laboratory Experiments, Number Concepts
Engel, Barney – Education Canada, 1975
Article described how students working towards a Bachelors degree in education volunteered to help relieve teachers of tasks that were not involved with instruction. (RK)
Descriptors: Educational Experiments, Program Evaluation, Student Teachers, Student Volunteers
Behnke, Ralph R. – Speech Teacher, 1975
Contends that communication principles are learned more effectively through demonstration than through discussion. Demonstration experiements (e.g. effects of Delayed Auditory Feedback) and useful laboratory instruments are discussed. (MH)
Descriptors: Communication (Thought Transfer), Demonstrations (Educational), Educational Media, Experiments
Peer reviewedLeadstone, G. S. – Physics Education, 1974
Describes the procedure, equipment, results, and weaknesses of an experiment conducted by Nevil Maskelyne at Schehallien peak in Scotland; the purpose of the experiment was to collect data for the calculation of the mean density of the earth and to measure the universal gravitational constant. (MLH)
Descriptors: Density (Matter), Experiments, Gravity (Physics), Physics
Peer reviewedGraham, G. R. – Physics Education, 1975
Mathematically analyzes the polarization of rainbows, a phenomenon which can be demonstrated in a laboratory simulation using polaroid sheets, perspex discs, and a white light source. (MLH)
Descriptors: College Science, Higher Education, Laboratory Experiments, Optics
Makins, Virginia – Times Educational Supplement (London), 1975
Author reported on an unusual cross-cultural exchange between two secondary schools in France and England. (Editor/RK)
Descriptors: Curriculum Design, Educational Experiments, Educational Practices, Intercultural Programs
Peer reviewedClay, Katherine – Clearing House, 1974
When does the first period of the day meet as the last period of the day? When a school adopts the so-called rotating schedule. Author weighs the idea carefully. (Editor/RK)
Descriptors: Educational Experiments, Educational Innovation, Educational Objectives, Evaluative Thinking
Peer reviewedSimmons, D. Winton; Hendon, Betty J. – NASSP Bulletin, 1975
Article considered an experiment with a three-quarter (trimester) schedule carried out by Wooddale High School in Memphis, Tennessee. (Author/RK)
Descriptors: Educational Experiments, Educational Innovation, Educational Planning, Flexible Schedules
Peer reviewedVarney, R. N.; Hahn, H. T. – American Journal of Physics, 1975
Electrets, the electrical counterparts of magnets, are polarized dielectrics that are permanent on a scale of months. Describes procedures for making electrets out of plastic sheets like Mylar, for testing them and measuring their pole strengths, and for establishing necessary and sufficient demonstrations that they are not simply surface charged.…
Descriptors: College Science, Electricity, Higher Education, Laboratory Experiments
Peer reviewedRichards, Larry G.; Platnick, Daniel M. – American Journal of Psychology, 1974
Four experiments assessed the influence of a pretraining session on the recognition of English words. (Editor)
Descriptors: Educational Experiments, Psychological Studies, Research Methodology, Tables (Data)
Download full textWill, Heinrich – James Monroe and Company, 1855
This textbook aims to fill the need of an Introduction to Chemical Analysis, solely designed for use in the laboratory. This text presents simple rules for conducting chemical analyses to help students arrive at the most reliable results. This third edition has increased the examples for practice in quantitative and especially volumetric analysis.…
Descriptors: Textbooks, Chemistry, Science Instruction, Teaching Methods
Barber, Theodore Xenophon; and others – J Consult Clin Psychol, 1969
Supported by research grants MH-07003 and MH-11521 from the National Institute of Mental Health, U.S. Public Health Service.
Descriptors: Attitudes, Demonstration Programs, Experimenter Characteristics, Experiments
Peer reviewedBauer, George – Clearing House, 1969
Descriptors: Educational Experience, Educational Experiments, Educational Innovation, Experimental Programs
Kuhn, David J. – Amer Biol Teacher, 1969
Descriptors: Biology, Botany, Instruction, Resource Materials
Marx, Robert – Sch Sci Math, 1969
Descriptors: Chemistry, General Science, Physical Sciences, Physics
