As one in 31 American children are now diagnosed with autism, researchers at Drexel University in Philadelphia have discovered the therapies that help most of them say their first words.

Participating in speech and language therapies for longer periods of time may help most autistic children speak their first ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...

This widely used method of calculating returns considers a portfolio's cash flows Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles ...

Air Methods Corp. provides air medical transportation services throughout the United States and design, manufacture, and install medical aircraft interiors and other aerospace and medical transport ...

Computational models are mathematical models used to numerically study the behaviour of complex systems by means of a computer simulation. A computational model can be used to make predictions of the ...

Statistical methods are mathematical formulas, models, and techniques that are used in statistical analysis of raw research data. The application of statistical methods extracts information from ...

Market reports are industry specific. They may give specific information about an industry as a whole. An example of information that could be found in a market report would be ‘46 per cent of adults ...

Primary research can be carried out in a number of different ways, for example surveys, questionnaires, focus groups or observations. A questionnaire is a set of questions to find out customers’ ...

Our Handbooks describe the process of preparing and maintaining diverse types of systematic reviews. Handbooks are updated regularly to reflect advances in systematic review methods and in response to ...