- University of New Mexico
- Health Education
- Health Education Hed507
- rsch design
Last Modified: 2011-07-06
Related Textbooks:Educational Research: Competencies for Analysis and Applications (with MyEducationLab) (9th Edition)
A number representing the typical score attained by a group of subjects.
Measures of central tendency: Indices representing the average or typical score attained by a group of subjects; the most commonly used in educational research are the mean and the median.
Researcher bias - halo (all will be good) or pitchfork - all will be bad
Observation bias -
goal is to slect participants who are REPRESENTATIVE of the entire population
groups are identified, not indiv.: 5th grader classes in APS, then randomly selct a certain # from each class (cluster)
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