Demographic variables are often used to indicate which of the followin

Demographic variables are often used to indicate which of the following?

a. Extraneous variables
b. Population parameters
c. Research hypothesis
d. Sample characteristics

ESSAYBID ANSWER

ANS: D
Demographic variables are characteristics or attributes of subjects that are collected to describe the sample. They are often used to provide a picture of the sample and are called sample characteristics.
Extraneous variables are not necessarily demographic in nature. Demographic variables are characteristics or attributes of subjects that are collected to describe the sample. They are often used to provide a picture of the sample and are called sample characteristics.
The population parameters are connected with the entire population, not just the sample. Demographic variables are characteristics or attributes of subjects that are collected to describe the sample. They are often used to provide a picture of the sample and are called sample characteristics.
The research hypothesis indicates the expected relationship between the variables. Demographic variables are characteristics or attributes of subjects that are collected to describe the sample. They are often used to provide a picture of the sample and are called sample characteristics.