Backers claim the tests can predict a child’s risk of autism using a strand of hair or a mother’s blood, but critics say they are not ready for the market.

Abstract: Five approaches to product testing: How we test, ideally, will inform us about the product. That is the point of testing the product: to learn as much as possible before it makes it to the ...

Abstract: Although questionnaire-based quantitative surveys can be implemented quickly and efficiently for groups, they are also known to have challenges, such as limited contents and skewed results ...