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Preliminary Steps in the Research Process
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accidental sample analysis ANOVA approach assess assigned attitudes attribute behavior bias biases birthweight chapter characteristics coding column comparison group concepts correlation coefficient data collection decisions degree dependent variable described descriptive descriptive statistics developed distribution effect error evaluate example experiment experimental group extraneous variables factors fictitious findings frequency hospital important independent inferential statistics instrument interest internal validity interpretation interval investigator involves level of measurement Likert scale mean ment nonprobability nonprobability sampling null hypothesis nursing research objective observational methods obtained participant participant observation patients person phenomena physiological population possible pregnancy procedures questionnaire questions random sampling records referred relationship reliability represent research design research hypotheses research problem research report research studies researcher's responses scientific selection self-report simple random sampling smoking specific standard deviation statistical subjects Suppose Table techniques teenagers theory tion treatment women