Exam 1: Introduction

An hypothesis states, in part, that "income increases as education increases". In this statement, education is

Data is the same thing as

In the research process, the role of statistics is limited because

A researcher has numbered all 50 states from 1 to 50 and has calculated a mean of 17.43 for the variable "state of birth."

The number of years that a couple has been happily married is an example of

The variable socioeconomic status ranges from upper class to lower class and is an example of the

Select the variable(s) that can be measured at the interval-ratio level

An hypothesis states, in part, that "income increases as education increases". In this statement, income is

Inferential statistics are necessary in social research because

A researcher wants to know if there is a relationship between region of birth and political party affiliation. She should calculate a

You ask a sample of 27 students in a particular dorm on campus about their religious beliefs and use this information to make generalizations about all students in the dorm. In this research situation

As we move up the left-hand side of the "Wheel of Science" we become more

Which of the following can be treated as an interval-ratio variable?

Computation of a mean (or average) is completely justified when a variable is measured at which level?

A nominal-level variable like marital status or gender is always

A researcher has calculated the mean for a variable that is ordinal in level of measurement.

Addition and subtraction are completely justified only when variables are

In social research the purpose of statistics is to

If people who eat at fast food restaurants become obese, obesity is

A public opinion poll that gauges the popularity of the President of the United States is an example of