Research Methods with Computer Technology
Research Methods with Computer Technology CJA 3200
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This 3 page Class Notes was uploaded by Candida Hayes on Wednesday September 23, 2015. The Class Notes belongs to CJA 3200 at Middle Tennessee State University taught by Joshua Harms in Fall. Since its upload, it has received 31 views. For similar materials see /class/212947/cja-3200-middle-tennessee-state-university in Criminal Justice at Middle Tennessee State University.
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Date Created: 09/23/15
Scienti c method Observation hypothesize test hypothesis with an experiment analyze data and draw conclusion communicate results Four purposes of research exploratory descriptive explanatory evaluation research Ethical Philip zimbardos Sanford prison experiment Stanley Milgrams experiments on obedience to authority Tuskegee Syphilis study Ways to protect Informed Consent Minimize risk Cause no harm Clarify Purpose Deception must minimized Voluntary participation Conceptualization the process of whereby fuzzy and imprecise notions are made more specific and precise Operationalization the process of de ning the concept in terms of a measurable variable Elements of research design Treatment what are we mesuaring Testing pre and post Groups control experimental groups Knowledge of treatment is a placebo givin Assignment to groups 7 random not random True experimental design has all four of elements Solomon four group design Quasi experimental design Has two out of the four Before and after design Field research Longitudinal designs Cross sectional design EX post facto control group design Levels of measurement Nominal variables are categories no order or ranking to the separate values Ordinal variable is categorical there is a ranking in order of values income place nished Interval the variable measure xed units F or C Ratio variables measure a xed scale just like an interval variable age group size Data collection methods Surveys Interviews Observation eld research Content analysis Secondary data Three sources of data Of cial data Victimization data Offender data Unit of analysis the individual group level that is treated as an individual respondent Population who are we representing Sample frame Sample size how many people method