Exam 2: Psychology and Science

You recently read a book about a celebrity who battled alcoholism throughout her adult life.This book best illustrates:

Which of the following correlation coefficients represents a situation in which an increase in one variable is associated with a decrease in the other variable?

A newspaper article reports that crime increases each month when the moon is full.This relationship is a(n):

Which subject group is most likely receiving a placebo?

What does a correlation tell us?

If the correlation between the number of siblings one has and their college GPA is .86,then we could:

Experimenter _______ refers to the expectations of a researcher that his/her participants will behave or respond in a particular way.

A number that describes the strength of a relationship between events is called a(n)____; it can range between ____.

Stimulants like Ritalin and Adderall affect children by:

Tennis players who have a high percentage of successful first serves have a greater chance of winning tennis matches than players who are not as successful on their first serve.This is an example of a ____ correlation.