HEATKEYS

Definition of word from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia e...

Dictionary.com - the largest and most trusted free online dictionary. Instantly look up accurate and extensive definitions and word meanings, and hear audio pronunciations.

Hogrefe Publishers is a leading publisher of books, journals, and scientifically validated assessment tools, primarily but not exclusively in the fields of psychology and psychiatry, for professionals and researchers. Part of the family-owned Hogrefe...

US News is a recognized leader in college, grad school, hospital, mutual fund, and car rankings. Track elected officials, research health conditions, and find news you can use in politics, business, health, and education.

Interbrand is the world’s leading brand consultancy, specializing in a vast brand services and activities, including brand analytics, brand engagement, brand strategy, brand valuation, corporate identity, digital brand management, pharmaceutical br...

Rasmussen Reports - The best place to look for polls that are spot on

The Methodology Center is an interdisciplinary research center at Penn State that focuses on methodological issues that arise in social, behavioral and health sciences research, including issues in research design, data analysis, measurement, latent ...

FiveThirtyEight is devoted to rigorous analysis of politics, polling, public affairs, sports, science and culture, largely through statistical means.

Charity Navigator, America

Environmental Working Group (EWG) works to protect kids from toxic chemicals in our food, water, air and the products we use every day. We use research to help create federal policies that protect our children, our health, and our natural resources.

Various test prep options available, pick one based on your own learning style: online, classroom, private tutoring.