Chapter Two

Question 1

The first step in development of an evidence-based practice project.

Answer 1

Clinical Question

Question 2

Contains more than one independent or dependent variable. It is difficult for the findings to indicate unequivocally that the hypothesis is support or not supported. In such cases, the reader must infer which relationships are significant in the predicted direction from the findings or discussion section.

Answer 2

Complex hypothesis

Question 3

In experimental studies, the presumed effect of the independent or experimental variable on the outcome. This variable is not manipulated.

Answer 3

Dependent Variable

Question 4

The antecedent or the variable that has the presumed effect on the dependent variable. This variable is manipulated by the variable.

Answer 4

Independent Variable

Question 5

Hypothesis that specifies the expected direction of the relationship between the independent and dependent variable.

Answer 5

Directional Hypothesis

Question 6

A prediction about the relationship between two or more variables.

Answer 6

Hypothesis

Question 7

Indicates the existence of a relationship between the variables but does not specify the anticipated direction of the relationship.

Answer 7

Nondirectional Hypothesis

Question 8

A well-defined set that has certain specified properties.

Answer 8

Population

Question 9

That which encompasses the aims or objectives the investigator hopes to achieve with the research, not the question to be answered.

Answer 9

Purpose

Question 10

A statement about the expected relationship between the variables; also known as a scientific hypothesis.

Answer 10

Research Hypothesis

Question 11

A key preliminary step wherein the foundation for a study is developed from the research problem and results in the research hypothesis.

Answer 11

Research Question

Question 12

States that there is no relationship between the independent and dependent variables. The statistical hypothesis also is known as the null hypothesis.

Answer 12

Statistical Hypothesis

Question 13

Variables of proposed study that lend themselves to observation, measurement, and analysis.

Answer 13

Testability

Question 14

Set of interrelated concepts, definitions, and propositions that present a systematic view of phenomena for the purpose of explaining and making predictions about those phenomena.

Answer 14

Theory

Question 15

A defined concept.

Answer 15

Variable