Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J. Brock is a CFA and CPA with more ...

Jennifer Simonson is a business journalist with a decade of experience covering entrepreneurship and small business. Drawing on her background as a founder of multiple startups, she writes for Forbes ...

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 ...

I am a Licensed Mental Health Counselor with over 20 years of experience working in Behavioral Health. I know the decision to start therapy is not necessarily an easy one. I will do my best to help ...

The Oracle Database Documentation and other resources use these sample schemas to demonstrate the capabilities of Oracle Database and the SQL and PL/SQL languages ...

Classical conditioning is a way to learn using unconscious associations. Pavlov discovered classical conditioning when dogs started to salivate at the sound of a bell before they got food. The ...