Exam 1: Introduction

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

Which of the following is a discrete variable?

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

In the research process,theory

In the language of science,a variable that is thought to be causal is called

In time,the ____ variable precedes the ____ variable.

The data reduction process of descriptive statistics

A theory differs from an hypothesis in that it is more

Prejudice,when measured on a scale ranging from 'most prejudiced' to 'least prejudiced,' is an example of which level of measurement?

Addition and subtraction are completely justified only when variables are

Without statistics,____ research would be impossible.

In terms of the "Great Wheel of Science," statistics are central to the research process

In addition to saying that one case is different from another,the ordinal level of measurement allows us to

Measures of association are a type of descriptive statistics that allow us to

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

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."

If a variable is discrete,it cannot be

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

On a test,the numbers used to identify the questions would be ____ in level of measurement while the number of correct responses would be ____.

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