Next on the list come two psychological variables - independence and freedom.

Tests demonstrated the four attachment styles were distinct in how they related to other kinds of psychological variables.

We offer advice, needle exchanges, and monitoring of physical and psychological variables.

The study would look at psychological variables and physiological measures like brain waves and stress-hormone levels.

This research focuses on specific personality characteristics and how they are related to performance or other psychological variables.

The terms thoughts, feelings, and behaviors include all psychological variables that are measurable in a human being.

It is a crucially important psychological variable that has been all but ignored.

Dual process models are very common in the study of social psychological variables, such as attitude change.

Psychometrics is the science of measuring psychological variables, such as knowledge, skills, and abilities.

In other words, elements from people's dreams can be related to corresponding waking or psychological variables.