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Palmer, Alfred C. – Science Teacher, 1986
Describes an activity for determining how long and when a tree lived by comparing its ring sizes with local precipitation records. Suggests benefits for this type of dendrochronology activity. (TW)
Descriptors: Climate, Data Analysis, Data Collection, Data Interpretation
Trace, Michael W. – 1982
This learning module, which is intended for use in in-service training for vocational rehabilitation counselors, reviews the systematic methods available to measure and record client behavior. The first section covers procedures for making necessary calculations and keeping needed records with respect to behavioral events and their duration and…
Descriptors: Behavior Change, Behavioral Objectives, Charts, Classroom Observation Techniques