Editor’s note: This Commentary by James R. Delisle provoked an avalanche of reader comments. Because of the extraordinary level of interest in the essay, Education Week published a response by one of ...

Teachers and administrators don't always see eye to eye, but a recent report from Teachers Pay Teachers (TpT) shows they're aligned on one very important point: differentiation is essential for ...

Today’s guest post is written by Lisa Westman. Lisa is an instructional coach specializing in differentiation for Skokie School District 73.5 in suburban Chicago. She taught middle school gifted ...

Starting a new business and getting initial clients is a struggle for just about every entrepreneur. However, there comes a time in almost every enterprise when leaders realize that something has to ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. David Kindness is a Certified Public ...

Product differentiation is a marketing strategy that businesses use to distinguish a product from similar offerings on the market. The difference could be something concrete, like speed, power, ...

Small business owners usually are fully aware of product differentiation, even if not by that name. Products in a retail store are different not only in terms of what they do for the consumer but also ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...