Exam 15: Measurement and Statistical Methods

A professor who classifies the students in her classes according to whether or not they are psychology majors is using a(n) ________ scale.

The sum of all the scores in a group divided by the number of scores is a measure called ________.

Categorizing people according to whether they voted yes or no on a particular issue is an example of a(n) ________ scale.

A branch of mathematics that psychologists use to organize and analyze data is known as ________.

Which of the following questions would be most appropriate in a correlational study?

A scatter plot is used to determine ________.

The following distribution is ________.

The normal curve is ________.

Today, psychologists reviewing the literature in a given area of research tend to rely on the ________ method to reach conclusions.

A store owner wishes to determine which shoe size he should stock in the greatest quantity. She would be most interested in the ________ of her customers' shoe sizes.

Which of the following questions would be most appropriate in a correlational study?

If you know that the mean is greater than the median, you can predict that the ________.

The following graph is a ________.

There is a zero on a(n) ________ scale only.

The mean of a set of numbers 100, 90, 80, 50, 30 is ________.

For the set of numbers 2, 4, 6, 6, the ________.

After collecting all the research on gender differences in aggressive behavior, Estephan finds that 125 of them showed that males are more aggressive, 25 showed that females are more aggressive, and 50 showed no gender differences in aggression. Based on these findings, he concludes that males are more aggressive than females. To reach his conclusions, he used what is called ________.

A student ranking various graduate schools on a 5-point scale is using a(n) ________ scale.

Birth and death rates would be two measures that would use a(n) ________ scale.

Each of the following is true of an interval scale except that it ________.