Exam 7: Selection of Variables, Operational Definitions, and Measurements Issues

A nominal scale classifies data into one of two or more categories.

Matt is conducting research on consumer preference for different products.Matt has participants provide a rank order of the products they prefer.By asking for a ranking of their preferences, Matt is using an) ________scale.

Ordinal scales classify data into a rank or order of magnitude.

Researchers only collect one dependent variable at a time when conducting a study.

A large majority of psychological research uses________ scales because they lend themselves to more advanced statistical procedures as compared to the rest.

An operational definition defines how a concept or idea will be measured.

Lauren is conducting a study on stress management in newly hired employees at a large corporation.She is measuring the levels of stress through blood work and EKG monitoring of the new hires.Lauren is collecting ________measures for her dependent variable.

The use of multiple dependent variables in a study increases the amount of information collected.

The intensity of a response to a stimuli represents which type of way to assess a measure?

Lisa is conducting a study investigating the effects of ethnicity on humor.Specifically, she has different participants watch comedy routines from several comedians.For each participant, she records the number of times they laugh for each comedian.Which way is the dependent measure of humor being assessed?

When conducting research, it is important to properly define how a concept or idea will be measured.This is known as an) ________.

In a study on humor and comedian ethnicity, a researcher tracks the participants' number of laughs.The tracking of laughs represents the degree of response.

Your class ranking is an example of a nominal scale.

The variable in a study that researchers believe will produce a change is called the ________.

A dependent variable is the variable in a study that is ________.

A ratio scale classifies data on a scale that assumes equal distance between numbers without a

In the text, an article was described about Saturday morning cartoons.Specifically, the article stated there was a positive relationship between childhood aggression and violent cartoons.However, no mention was made of how the term "violent cartoons" was defined.Thus, the researchers had failed to use an) ________when reporting their study.

There are three ways to assess each type of measure for dependent variables.Which of the following is one of those three ways?

Student rankings in a class is an example of an) ________scale.

Alex is conducting a study on professors' attitudes toward text messaging in class.Specifically, he is measuring whether professors believe that text messaging is disruptive to class and whether text messaging is becoming a problem in higher education.Alex is collecting________ measures for his dependent variable.