NRS 502 Exam Questions and Answers Already Passed Latest Update 2025-2026
What is EIDM? - Answers Evidence Informed Decision Making
What is bias? - Answers Anything in the design or undertaking of the study that causes an
untruth to occur in the study potentially affecting its outcome
What is single blinding? - Answers Where the research participant does not know which arm of
the study they are allocated to
What is double blinding? - Answers Where the research participant and researchers do not know
which arm of the research the participant is allocated to
What is blinding? - Answers Blinding is usually used in randomised controlled trials
What is triple blinding? - Answers Where the research participant, researcher or the person who
assesses the outcome of the research
What is bracketing? - Answers The process where the researcher puts their preconceptions
about a topic to one side to allow them to explore the topic as if they were naive about it
What kind of research is blinding usually used in? - Answers RCTs
What is another word for blinding? - Answers Masking
What type of research is bracketing usually used for? - Answers Phenomenological research
What is another term for bracketing? - Answers Epoching
What does causality mean? - Answers Cause and effect
What is a closed question? - Answers A question that allows for a limited response such as a
yes or no answer
What type of question is this? "Do you like chocolate? Yes or no?" - Answers Closed question
What kind of research are closed questions typically used in? - Answers Quantitative research
What is confounding? - Answers This occurs when alternative explanations for an outcome in a
study are not accounted for. Confounding variables are always independently associated with
both the exposure and outcome being measured
What is a control arm? - Answers The arm of a randomised controlled trial to which the
intervention of the study is not applied. This allows the researchers to be sure the intervention
being studied causes the outcome they are measuring
What is a convenience sample? - Answers A sample taken from a set of individuals who are
easily accessed
, What is correlation? - Answers A relationship between two variables
What is a positive correlation? - Answers As one variable increases, so does the other
What is a negatived correlation? - Answers As one variable decreases, so does the other
What is credibility? - Answers The research undertaken answers what it was set out to answer
as a result of the way the research was undertaken and the quality of the research
What type of research is credibility most often used in? - Answers Qualitative research
What is a critical appraisal? - Answers The structured and thoughtful examination of the quality
of something
What is data saturation? - Answers The point during the data collection at which no more new
ideas or observations are emerging
What type of research is data saturation typically found in? - Answers Qualitative
What is deductive research? - Answers Research that sets out to prove an existing idea or
hypothesis. It sets out to explore the truth of the original idea
What is a dependent variable? - Answers The outcome variable of the study that occurs as a
result of the independent variable having occurred
What are descriptive statistics? - Answers Statistics used to describe the frequencies and
patterns of numbers within a dataset
What is EMIC? - Answers Insider perspective of someone else's view
What is empirical research? - Answers The notion of discovering new things using the senses or
different research methods
What is epidemiology? - Answers The study of diseases and their treatments from a population
perspective
What is epistemology? - Answers The philosophy of knowledge
What is an equivalence study? - Answers Comparative studies that compare a new treatment to
the current best treatment rather than a placebo
What is an ethnographic study? - Answers The study of the cultures, beliefs and practice of a
group
What is 'Etic'? - Answers The outsiders view of something
What does experimental mean? - Answers A way of testing a hypothesis through comparison
What is EIDM? - Answers Evidence Informed Decision Making
What is bias? - Answers Anything in the design or undertaking of the study that causes an
untruth to occur in the study potentially affecting its outcome
What is single blinding? - Answers Where the research participant does not know which arm of
the study they are allocated to
What is double blinding? - Answers Where the research participant and researchers do not know
which arm of the research the participant is allocated to
What is blinding? - Answers Blinding is usually used in randomised controlled trials
What is triple blinding? - Answers Where the research participant, researcher or the person who
assesses the outcome of the research
What is bracketing? - Answers The process where the researcher puts their preconceptions
about a topic to one side to allow them to explore the topic as if they were naive about it
What kind of research is blinding usually used in? - Answers RCTs
What is another word for blinding? - Answers Masking
What type of research is bracketing usually used for? - Answers Phenomenological research
What is another term for bracketing? - Answers Epoching
What does causality mean? - Answers Cause and effect
What is a closed question? - Answers A question that allows for a limited response such as a
yes or no answer
What type of question is this? "Do you like chocolate? Yes or no?" - Answers Closed question
What kind of research are closed questions typically used in? - Answers Quantitative research
What is confounding? - Answers This occurs when alternative explanations for an outcome in a
study are not accounted for. Confounding variables are always independently associated with
both the exposure and outcome being measured
What is a control arm? - Answers The arm of a randomised controlled trial to which the
intervention of the study is not applied. This allows the researchers to be sure the intervention
being studied causes the outcome they are measuring
What is a convenience sample? - Answers A sample taken from a set of individuals who are
easily accessed
, What is correlation? - Answers A relationship between two variables
What is a positive correlation? - Answers As one variable increases, so does the other
What is a negatived correlation? - Answers As one variable decreases, so does the other
What is credibility? - Answers The research undertaken answers what it was set out to answer
as a result of the way the research was undertaken and the quality of the research
What type of research is credibility most often used in? - Answers Qualitative research
What is a critical appraisal? - Answers The structured and thoughtful examination of the quality
of something
What is data saturation? - Answers The point during the data collection at which no more new
ideas or observations are emerging
What type of research is data saturation typically found in? - Answers Qualitative
What is deductive research? - Answers Research that sets out to prove an existing idea or
hypothesis. It sets out to explore the truth of the original idea
What is a dependent variable? - Answers The outcome variable of the study that occurs as a
result of the independent variable having occurred
What are descriptive statistics? - Answers Statistics used to describe the frequencies and
patterns of numbers within a dataset
What is EMIC? - Answers Insider perspective of someone else's view
What is empirical research? - Answers The notion of discovering new things using the senses or
different research methods
What is epidemiology? - Answers The study of diseases and their treatments from a population
perspective
What is epistemology? - Answers The philosophy of knowledge
What is an equivalence study? - Answers Comparative studies that compare a new treatment to
the current best treatment rather than a placebo
What is an ethnographic study? - Answers The study of the cultures, beliefs and practice of a
group
What is 'Etic'? - Answers The outsiders view of something
What does experimental mean? - Answers A way of testing a hypothesis through comparison
