Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Person-centered therapy, also known as Rogerian therapy or client-based therapy, employs a non-authoritative approach that allows clients to take more of a lead in sessions such that, in the process, ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Vikki Velasquez is a researcher and writer ...

I received a call from this agency regarding my ex-husband’s debt, which I have no connection to. When I called back to ask that they stop contacting me, the representative was extremely rude and ...

Consumer behavior—or how people buy and use goods and services—is a rich field of psychological research, particularly for companies trying to sell products to as many potential customers as possible.