Imagine you're a researcher studying how sleep affects mood. To explore the connection, you would look at two key "variables": sleep (how much someone gets) and mood (how happy or irritable they feel) ...

Self-efficacy involves one's belief in their own ability to carry out tasks successfully. A psychological construct studied ...

Suppose you are about to meet a person for the first time and want to predict that person’s thoughts, feelings, and behaviors in a variety of settings over the next several years. What single piece of ...