11/11/25, 2:57 PM Exam 1 Nursing Research Methods
Exam 1 Nursing Research Methods
Research that uses numbers to obtain precise
Quantitative Research
measurements
Research that uses words to describe human
Qualitative Research
behaviors
Variable that influences the dependent variable or
Independent Variable outcome; intervention or treatment that is
manipulated by the researcher; X variable
Outcome or variable that is influenced by the
Dependent Variable
independent variable; Y variable
Definitions of concepts contained in a theory that
Conceptual Definitions
sound like dictionary definitions
Definitions that explicitly state how the variable will
Operational Definitions
be measured or operationalized; empirical definitions
A formal statement describing the problem addressed
Problem Statement
in the study
Purpose Statement A statement indicating the aim of the study
A hypothesis describing the relationship among two
Simple Hypothesis
variables
A hypothesis describing the relationships among
Complex Hypothesis
three or more variables
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, 11/11/25, 2:57 PM Exam 1 Nursing Research Methods
Statement describing the direction of a relationship
Directional Hypothesis
among two or more variables
Non-Directional Statement of the relationship among two variables
Hypothesis that does not predict the direction of the relationship
A hypothesis stating that there is no relationship
Null Hypothesis
between the variables; the statistical hypothesis
A planned and systematic activity that leads to new
Research knowledge and/or the discovery of solutions to
problems or questions
A category of research that is concerned with
providing accurate descriptions of phenomena.
Descriptive Reseach Answers "What is it?" This category of research is
concerned with providing accurate descriptions and
can involve observation of a phenomenon in its
natural setting.
Research concerned with identifying relationships
among phenomena.
The goal of this category of research is to identify the
Explanatory Research
relationships a phenomenon has with individuals,
groups, situations, or events.
Address why or how phenomena are related.
Research that forecasts precise relationships between
dimensions of phenomena or differences between
groups.
Predictive Research
This category of research addresses when the
phenomena will occur.
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Exam 1 Nursing Research Methods
Research that uses numbers to obtain precise
Quantitative Research
measurements
Research that uses words to describe human
Qualitative Research
behaviors
Variable that influences the dependent variable or
Independent Variable outcome; intervention or treatment that is
manipulated by the researcher; X variable
Outcome or variable that is influenced by the
Dependent Variable
independent variable; Y variable
Definitions of concepts contained in a theory that
Conceptual Definitions
sound like dictionary definitions
Definitions that explicitly state how the variable will
Operational Definitions
be measured or operationalized; empirical definitions
A formal statement describing the problem addressed
Problem Statement
in the study
Purpose Statement A statement indicating the aim of the study
A hypothesis describing the relationship among two
Simple Hypothesis
variables
A hypothesis describing the relationships among
Complex Hypothesis
three or more variables
1/9
, 11/11/25, 2:57 PM Exam 1 Nursing Research Methods
Statement describing the direction of a relationship
Directional Hypothesis
among two or more variables
Non-Directional Statement of the relationship among two variables
Hypothesis that does not predict the direction of the relationship
A hypothesis stating that there is no relationship
Null Hypothesis
between the variables; the statistical hypothesis
A planned and systematic activity that leads to new
Research knowledge and/or the discovery of solutions to
problems or questions
A category of research that is concerned with
providing accurate descriptions of phenomena.
Descriptive Reseach Answers "What is it?" This category of research is
concerned with providing accurate descriptions and
can involve observation of a phenomenon in its
natural setting.
Research concerned with identifying relationships
among phenomena.
The goal of this category of research is to identify the
Explanatory Research
relationships a phenomenon has with individuals,
groups, situations, or events.
Address why or how phenomena are related.
Research that forecasts precise relationships between
dimensions of phenomena or differences between
groups.
Predictive Research
This category of research addresses when the
phenomena will occur.
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