Research Design & Methodology Flashcards
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Read the first 7 Research Design & Methodology flashcards as text
A researcher randomly assigns participants to treatment and control groups but cannot blind participants to their condition. This design is best described as:
Answer: Open-label randomized experiment
An open-label randomized experiment uses random assignment but does not blind participants to their group assignment.
Which type of sampling would a researcher use when they want each nth person in a list to be selected?
Answer: Systematic sampling
Systematic sampling selects every nth individual from a list, creating a sample at regular intervals from the population.
What is the primary advantage of using a factorial design over multiple single-factor experiments?
Answer: Ability to examine interaction effects between factors
Factorial designs allow researchers to simultaneously examine the effects of multiple independent variables and their interactions.
When a researcher's theoretical perspective shapes data collection and interpretation in qualitative research, this is called:
Answer: Reflexivity
Reflexivity involves the researcher critically examining how their own background, perspectives, and assumptions influence the research process.
A hospital-based study comparing outcomes for patients who chose surgery versus medication is best described as:
Answer: Self-selection quasi-experiment
When participants self-select into conditions, a quasi-experimental design results, with self-selection bias as a key threat to internal validity.
In survey research, 'acquiescence bias' refers to respondents' tendency to:
Answer: Agree with statements regardless of content
Acquiescence bias (yes-saying) occurs when respondents tend to agree with or endorse survey items regardless of the actual content.
Which research approach is most appropriate when the goal is to develop theory grounded in the systematic collection and analysis of qualitative data?
Answer: Grounded theory
Grounded theory uses systematic inductive procedures to develop theory that is grounded in data collected from participants.