By Max Vercruyssen, Hal W. Hendrick
Review of medical ResearchKey WordsWhat Is Science?Scientific MethodGoals, ideas, and Assumptions of ScienceFive easy techniques to medical ResearchSummaryKey observe DefinitionsReferencesExercisesExercise AnswersMethods of Describing DataKey WordsSamples and PopulationsConsideration of Numbers in StatisticsGraphical tools of DescriptionUnivariate Frequency DistributionSummaryKey Word DefinitionsReferencesExercisesExercise AnswersBivariate Descriptive StatisticsKey WordsBivariate Frequency DistributionsCorrelation: The Pearson rOther Correlation CoefficientsPrediction and Concept. Read more...
summary: evaluation of clinical ResearchKey WordsWhat Is Science?Scientific MethodGoals, ideas, and Assumptions of ScienceFive uncomplicated ways to medical ResearchSummaryKey note DefinitionsReferencesExercisesExercise AnswersMethods of Describing DataKey WordsSamples and PopulationsConsideration of Numbers in StatisticsGraphical equipment of DescriptionUnivariate Frequency DistributionSummaryKey notice DefinitionsReferencesExercisesExercise AnswersBivariate Descriptive StatisticsKey WordsBivariate Frequency DistributionsCorrelation: The Pearson rOther Correlation CoefficientsPrediction and thought
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Additional resources for Behavioral Research and Analysis : An Introduction to Statistics within the Context of Experimental Design, Fourth Edition
Exploratory Study Sometimes experimenters, in investigating a new area, do not know enough about the variables they are working with to propose a reasonable hypothesis regarding the nature of the variables’ relationship. In this case, they may carry out a series of studies in which they simply “play around” with the variables to see what happens. This kind of experimentation generally is referred to as an exploratory study. By manipulating variables and noting the nature of changes in the dependent variable of interest, scientists eventually learn what are likely to be causal variables and how they seem to operate.
Katz, D. (1963). Leadership practices in relation to productivity and morale. In R. A. ), People and productivity. New York: McGraw-Hill. Kemeny, J. (1959). A philosopher looks at science. Princeton, NJ: Van Nostrand. Kerlinger, F. N. (1973). Behavioral research: A conceptual approach. New York: Holt, Rinehart & Winston. Kerlinger, F. N. (1986). ). New York: Holt, Rinehart & Winston. Krathwohl, D. R. (1985). Social and behavioral science research: A new framework for conceptualizing, implementing, and evaluating research studies.
In establishing the test’s reliability, the subjects will take both forms of the test. If each subject scores about the same on both forms relative to the rest of the group, the test is considered reliable. Split Half Method A variation of the alternate forms method is to simply split the test in half, and compare each subject’s score on one half with his or her score on the other. Thus, each half of the test is treated like an alternate form. The most common method is to score every odd-numbered test item as one half and every even-numbered item as the alternate form.
Behavioral Research and Analysis : An Introduction to Statistics within the Context of Experimental Design, Fourth Edition by Max Vercruyssen, Hal W. Hendrick