In the past psychological tests were taken with the use of a pen and paper. The order of items in tests, although significant, could have...

The utility of self-report surveys depends on the degree to which research participants provide accurate and true responses....

We ran a very large study to help increase understanding of what factors contribute to making people tired.

Chances are that you have a few positive habits you’d like to form. Maybe you’d like to start exercising daily. Or, perhaps you want to...

Are there simple, quick, and easy-to-learn habits that you can incorporate into your life to make yourself meaningfully happier? The...

How do the self-reported intrinsic values of men differ from those of women, older people's from younger people's, and liberals from...