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| Bias | 3 |
| Classroom Observation… | 3 |
| Codification | 3 |
| Reliability | 3 |
| Behavior Rating Scales | 2 |
| Classroom Research | 2 |
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| Academic Achievement | 1 |
| Age Differences | 1 |
| Data Collection | 1 |
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| Flanders System of… | 1 |
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Kugle, C. L. – 1978
The possibility that "coder drift" may be a source of bias in classroom observation systems was investigated in two parallel experiments using the Flanders System of Interaction Analysis. Coder drift may be described as the differences in coding which result when observers create their own idiosyncratic systems of classifying teacher…
Descriptors: Behavior Rating Scales, Bias, Classroom Observation Techniques, Codification
Stallings, Jane A.; Giesen, Philip A. – 1977
Observer reliability and the confusability of codes, two sources of error in the collection of classroom observational data, are examined. Confusability is defined as the extent to which one code is mistakenly recorded as another code. Observational data were collected in each of 172 first grade and 171 third grade Follow Through and comparison…
Descriptors: Bias, Classroom Observation Techniques, Classroom Research, Codification
Download full textEvertson, Carolyn M.; And Others – 1975
Findings from the Student Attribute Study, a two-year investigation designed to identify student characteristics and behaviors related to teacher expectations and attitudes are reported. Children in grades two through five who received consistent teacher rankings over a two-year period on one or more of 13 bi-polar scales describing student…
Descriptors: Academic Achievement, Age Differences, Behavior Rating Scales, Bias
