NURSING RESEARCH & STATISTICS 1

Nominal variables are also known as:

• Ordinal variable

• Confounding variable

• Discrete variable

• Categorical variable

Which of the following is an example of a dichotomous variable?

• Educational status

• Age

• Occupation

• Gender

Te variables which are not the part of the study but may affect the measurement of study variable are known as:

• Dependent variables

• Research variables

• Research variables

• Extraneous variables

Nature of illness, characteristic comes under which type of variable:

• Internal variables

• External variables

• Extraneous variables

• all of the above

A statement of the expected relationship between two or more variables is known as:

• Problem statement

• Research question

• Conceptual definition

• Hypothesis

Statements formulated to predict a relationship between two or more variables is known as what?

• Assumption

• Interpretation

• Hypothesis

• Analytical method

The statement that describes researcher’s expectations about relationship of two variables under study is known as:

• Significance test

• Testability

• Assumption

• Hypothesis

Which one of the following is a tentative answer to a research question?

• Validity

• Hypothesis

• Operational definition

• Objectives

Characteristics of a well stated hypothesis are all EXCEPT:

• It is testable

• It is logical

• It states no relationship

• It is related to research problem

Te nature of the stated hypothesis, “Women whose partners attended labor and delivery would need less pain-relieving medication than who were alone” is:

• Complex

• Non-directional

• Simple

• Null