Exam 2: Stage Theories of Development

According to Karl Popper, science should attempt to ____ theories.

Professor Campbell is studying memory by using mathematical operations. She is using:

Professor Zeeman has conducted experiments that suggest a new study technique can enhance memory. However, the new technique does not work for students taking real classes. The experimental finding:

If you reason that a false premise leads to a false consequent, you will have engaged in a(n) ____ argument that is called ____.

Dr. Nathan wants to study how pythons behave in their native habitat. He sets up hidden cameras in the rain forest to observe the snakes while he remains undetected. Dr. Nathan is using the ____ method of conducting research.

In the experimental method, the experimenter ____ the independent variable, ____ the dependent variable, and ____ the confounding variables.

To test the hypothesis, "Anxiety hurts performance," anxiety would be the ____ variable and performance would be the ____ variable.

The two types of operational definitions are:

An experiment is externally valid if:

In the hypothesis, "psychology majors with high grade point averages are excited during final exam week," ____ is the independent variable.

An unspecified variable that may have influenced the two variables in a correlational study is called a:

A formally stated expectation concerning the outcome of an experiment is called:

Which of the following best describes naturalistic observation?

To engage in a scientific approach to the study of human behavior, we would use:

If we were to find that the correlation between height and anxiety was negative, we would predict that:

The difference in magnitude between the control and the experimental groups on the dependent variable is called the:

To investigate the effects of alcohol on driving, an experimenter gave people different amounts of alcohol and then placed them in a driving simulator with instructions to press the brake whenever they saw a red light. In this study, the independent variable was ____ and the dependent variable was ____.

In what way is a scientist like a child?

If there is a low correlation between two variables, we can say that they are:

If little is known about a psychological phenomenon, then ____ is the most appropriate method to use to study it.