Nursing 401 Chapter 5 Examining Research Problems, Purposes and Hypothesis

Definitions

100

Clear, concise statement of the specific goal or focus of a study that is generated from the research problem

What is the research purpose? 

200

Description of how variables will be measured in a study, such as measuring acute pain in children with the FACES scale.

What is an operational definition?

300

The intervention or treatment that is manipulated or varied by the researcher to create an effect on the dependent variable.

What is the independent variable?

400

Researchers attempt to identify and control the influence of those type of variables in quasi-experimental and experimental studies to reduce the potential for error in study findings.

What are extraneous variables? 

500

Variables reported in a study to describe the attributes or characteristics of study participants in a sample. 

What are demographic variables?

Types of Hypothesis

100

Hypothesis stating that no relationship exists among the variables being studied. 

What is a Null hypothesis?

200

Hypothesis that stated a relationship in variables occurs in the real world and when one changes the other variable changes. 

What is an associative hypothesis?

300

Hypothesis that suggests there is a relationship between 2 variables in which the independent variable is thought to cause or determine the presence of  the dependent variable.

What is a causal hypothesis?

400

Alternative to the null hypothesis; states that a relationship exists among 2 or more variables.

What is a research hypothesis?

500

Hypothesis stating the specific nature of the interaction or relationship among 2 or more variables. 

What is a directional hypothesis?

Agencies

100

NINR

What is the National Institute of Nursing Research?

200

WHO

what is the World Health Organization?

300

AHQR

What is the Agency for Healthcare Research and Quality?

400

AACN

What is the American Association of Colleges of Nursing?

500

OMHRC Knowledge Center

What is the Office of Minority Health Resource Center?

Variables Demographic. Dependent or Independent

100

Age

What is Demographic?

200

Perception of Pain 

What is a dependent variable?

300

Low back massage

What is an independent variable?

400

Gender

What is a demographic variable?

500

Hemoglobin A1_c

What is a dependent variable?