Exam 1: Introduction

In terms of the Wheel of Science, an hypothesis is derived from _________ and leads to ___________.

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

According to the "Wheel of Science," research projects begin

As we move down the right-hand side of the "Wheel of Science" we become more

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

If a researcher concludes that "Use of the Internet decreases as social class standing decreases," he is using

When using interval-ratio data, the distance between the scores is

"Ninety percent of dorm residents approved a proposed ban on smoking". This statement is an example of the use of

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

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

The poll mentioned in the text suggests that Americans are

A survey administered to a random sample drawn from a local community finds that a person's political party affiliation is related to whether or not they favor an increase in local sales tax (the headline of a newspaper story based on this poll reads: "Republicans support proposed tax increase"). This is an example of the use of

Without statistics, _____________ research would be impossible.

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

Which of the following is NOT a nominal level variable?

In the research process, theory

If people who habitually drive over the speed limit have more fatal accidents, then speed is

In time, the ____________ variable precedes the _____________ variable.

A theory differs from an hypothesis in that it is more

Which of the following mathematical operations are permitted with interval-ratio level variables?