exam i: ch5 Flashcards
research problem
area of concern in which there is a gap in the knowledge needed for nursing practice (drives the need for research)
research purpose
clear, concise statement of the specific goal or focus of a study
research question
clear, concise, interrogative statement that is worded in the present tense; includes 1+ variables, and is expressed to guide the implementation of studies
feasibility
- factors?
how attainable, achievable, and possible is the study
- availability of subjects, facility, faculty, financial status, researcher expertise, equipment
hypothesis
formal statement of the expected relationships between 2+ variables in a specified population
associative hypothesis
- ex?
states that there is a relationship between variables
- if moisture changes, so does ulcer
causal hypothesis
- ex?
cause and effect relationships between variables
- if moisture increases, ulcer will worsen
simple hypothesis
states relationship between 2 variables
complex hypothesis
states relationship between 3+ variables
non-directional hypothesis
relationship exists BUT DOES NOT PREDICT nature/strength of relationship
directional hypothesis
states nature of interaction between 2 variables (positive, negative, weak, strong)
statistical (null) hypothesis
NO difference or relationship between variables
research hypothesis
states what researcher thinks is true, that there is a relationship between the variables
testable hypothesis
clearly predicts relationships among variables, should be realistic, timely for the real world
- the variables are able to measured and manipulated
- defined HOW they will be measured
variables
qualities, properties, or characteristics that are manipulated/measured in research