Nursing Research Exam 2 (chp 5)

Research problem

an enigmatic, perplexing, or troubling condition

problem statement

a statement articulating the research problem and making an argument to conduct a new study

statement of purpose

summary of an overall goalfor the research study, outlining the intention and direction of the research.

research questions

the specific queries the researcher wants to answer in addressing the research problem

hypotheses

the researchers predictions about relationships among variables

t or f? the statement of purpose makes an argument to conduct a new study

false. the problem statement articulates the problem and makes an argument to conduct a new study not the statement of purpose.

what study involves concepts that are well developed and for which methods of measurement have been or can be developed

quantitative

which study is undertaken because a researcher wants to develop a rich, context-bound understanding of a poorly understood phenomenon

qualitative

a hypothesis states an _____ to the research question

expectation, a predicted answer

a hypothesis should almost always involve _______ variables

two or more

a hypothesis suggests the predicted relationship between the _______

independent and dependent variable

a hypothesis must contain terms that indicate a ____

relationship

a hypothesis is articulated almost exclusively in ___ studies

quantitative

a hypothesis is tested through ___ procedures

statistical

hypothesis

declarative statement that identifies the predicted relationship between 2 or more variables

a hypothesis is never ___ or ____

proved or disproved (only supported or rejected by the data)

simple hypothesis

expresses a predicted relationship between one independent variable and one dependent variable

complex hypothesis

states a predicted relationship between two or more independent variables and/or two or more dependent variables

t or f? a hypothesis most commonly involves one variable

false

directional hypothesis

specifies the expected direction of the relationship between variables

nondirectional hypothesis

predicts the existence of a relationship, not its direction

research hypothesis

states the actual predicction of relationship

null hypothesis

express the absence of a relationship (used only in statistical testing)

Is this an example of research or null hypothesis? ❖Relaxation training would have a significant effect on the physical and psychological health status of post myocardial infraction (MI) patients (directional)

research

Is this an example of research or null hypothesis?Oxygen inhalation by nasal cannula of up to 6L/min does not affect oral temperature measurement taken with an electronic thermometer.

null