Types of research designs•What type of research design is this study?• Choices:Choices:–Naturalistic observation = observing behaviors without any intervention –Archival record = using existing information (already recorded observations)–Survey = collecting responses of a group of individualsExperiment = carefully controlled situation –Experiment = carefully controlled situation where the independent variable is manipulated and the effect on the dependent variable is monitored.2
•Quantitative DataQuantitative Data.The usual table of choice is the frequency table.•Data presented in simplified form as d d tgrouped data.•Number of groups or class intervalsare decided by common sense and good judgment (e.g. 6-20 groups).•Implied limitsare the boundaries or endpoints of the class intervals and dd h f ddepend on the convention for rounding.3
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