Research-NBCOT question with complete solution 2023

Research-NBCOT question with complete solution 2023True-Experimental - correct answer Classic two-group randomized design (difficult to use in human subject research due to ethical dilemmas) Quasi-Experimental - correct answer Same as True-Experimental but lesser degree of researcher control and/or no randomization (often used in health care) Non-Experimental/Correlational - correct answer No manipulation of independent variable; randomization and researcher control are not possible Correlational Coefficient - correct answer -1.00 to +1.00 Retrospective Correlational Research - correct answer Investigation of data collected in the past Prospective Correlational Research - correct answer Recording and investigation of present data Descriptive Correlational Research - correct answer Investigation of several variables at once, determines existing relationships among variables Predictive Correlational Research - correct answer Used to develop predictive models Phenomenological Research - correct answer -Type of qualitative research -A study of one or more persons and how they make sense of their experience -Meaning can only be ascribed by participants Ethnographic Research - correct answer -Type of qualitative research -Patterns and characteristics of a cultural group, including values, roles, beliefs, and normative practices, are intensely studied Heuristic Research - correct answer -Type of qualitative research -Complete involvement of the researcher in the experience of the subjects to understand and interpret a phenomenon Case Study - correct answer -Type of qualitative research -A single subject or a group of subjects is investigated in an in-depth manner Random Sampling Method - correct answer Individuals are selected through the use of a table of random numbers Systematic Sampling Method - correct answer Individuals are selected from a population list by taking individuals at specified intervals (ex: every 10th name) Stratified Sampling Method - correct answer Individuals are selected from a population's identified subgroups based on some predetermined characteristics (ex: diagnosis) that correlates with the study Purposive Sampling Method - correct answer Individuals are purposefully and deliberately selected for a study Convenience Sampling Method - correct answer Individuals are selected who meet population criteria based upon availability to the researcher Network/Snowball Sampling Method - correct answer Study subjects provide names of other individuals who can meet study criteria Semantic Differential Questions - correct answer A point scale with opposing adjectives at two extremes, measuring affective meaning Likert Scale - correct answer Respondents indicate their level of agreement, usually on a 5 pt scale Guttmann Scale Rank Ordering - correct answer The respondent places a number alongside a list of items, indicating their order of importance Quartiles - correct answer Data is divided into 4 equal parts and position of score is placed accordingly (as opposed to percentiles where data is divided 100 ways) Tests of Significance - correct answer An estimation of true differences, not due to chance; a rejection of the null hypothesis