Liu and Shen (2008) Conducted a Study to Investigate and Confirm

question 19

Multiple Choice

Liu and Shen (2008) conducted a study to investigate and confirm the dimensional structure of the Care Giver Strain Questionnaire measured from subjects used in clinical research. A factor analysis generated a range of data and included the following scree plot. On this plot, where does the point of inflexion occur? Source: http:/ / www2.sas.com/ proceedings/ forum2008/ 383-2008.pdf

• A) At eigenvalue 2 on the Y-axis and 2 on the X-axis
• B) Between eigenvalues 2 and 3 on the Y-axis and at 2 on the Y-axis
• C) Between eigenvalues 3 and 4 on the Y-axis
• D) Between eigenvalues 1 and 2 on the Y-axis

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Definitions:

Independent Variable

A variable in research that is manipulated or changed to observe its effect on a dependent variable, allowing researchers to infer cause-and-effect relationships.

Dependent Variable

In experimental research, the variable that is tested and measured to see if it is influenced by changes in the independent variable.

Independent Variable

In an experimental setting, the variable that is manipulated or changed to observe its effect on the dependent variable.

Randomly Assigned

A method used in experimental research where participants are allocated to different groups in a way that every individual has an equal chance of being assigned to any group.