We collaborate with the world's leading lawyers to deliver news tailored for you. Sign Up for any (or all) of our 25+ Newsletters. Some states have laws and ethical rules regarding solicitation and ...

In my previous blog post, I noted that reliability and validity are two essential properties of psychological measurement. Measures of intelligence, personality, vocational interests, and so forth ...

Sport competition can be a major source of stress among youth sport athletes. Knowledge of competitive state anxiety may be beneficial for both sport performance and development of young athletes. The ...