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Download full textRoberts, William L.; Schill, Loreen G. – 1991
The collection of observational data in natural settings and in real time requires equipment that is light and easily used, and programs that permit rapid and flexible encoding of data. This paper describes a set of four programs for collecting and analyzing continuous time sample, focal-individual data as described by J. Altmann (1974), using a…
Descriptors: Computer Software, Data Analysis, Data Collection, Educational Research
PDF pending restorationMcMorris, Robert F. – 1971
The extent of error likely to occur with each of several approximations for the standard deviation, internal consistency reliability, and the standard error of measurement is analyzed. Approximations were compared with exact statistics obtained on 85 different classroom tests constructed and administered by professors in a variety of fields. Means…
Descriptors: Data Analysis, Error of Measurement, Evaluation Methods, Item Analysis
