Linear regression-based quantitative trait loci/association mapping methods such as least squares commonly assume normality of residuals. In genetics studies of plants or animals, some quantitative ...

Institutional investors face complex decisions—where to allocate capital, which managers to trust, how to weather volatility. These choices can’t rely on instinct alone. They require data, structure, ...

Manpower audit and assessment activities enable your company to determine if your human resources meet your strategic needs. Quantitative methods allow you to use statistics, numbers and data to ...

Quantitative reasoning is one of the top skills any business executive can have. While some business leaders have stronger innate abilities with this skill, learning to analyze data, derive ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. (Related post: How focus groups informed our study about nationalism and ...