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Unformatted text preview: October 14, 2010 Carla Smiths Lecture Anecdotal Assessment Durand & Crimmins, 1988 Background: Drawbacks of stand (experimental analysis) o Requires extensive training of personnel o Requires significant investment of time Less time and expertise intensive procedure would permit identification of controlling contingencies more quickly and easily and would allow staff to intervene more quickly and efficiently. What are some indicators of trustworthy measurement? o Validity, accuracy and reliability What is the difference between reliability and validity? o Reliability describes the extend to which the , measurement procedures yield the same value when brought into repeated contact with the same state of nature. Data must be consistent to be reliable. o Validity when measurement yields data that are directly relevant to the phenomenon measures and to the reason for measuring it....
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This note was uploaded on 02/06/2011 for the course BEHV 4740 taught by Professor Smith during the Fall '10 term at North Texas.
- Fall '10