Examples of employee performance measurement include a variety of methods employers use based on the employee's job category, employee-supervisor relationship and workplace culture. They range from ...

The Power of Food Scale (PFS) was developed to assess the psychological impact of today's food-abundant environments. Data were obtained from obese adults in a clinical trial for a weight management ...

The aim of this study is to assess the effective measurement range of Ryff's Psychological Well-being scales (PWB). It applies normal ogive item response theory (IRT) methodology using factor analysis ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Pew Research Center has a long history measuring the public’s knowledge about ...

Economies of scale describe the link between the size of a company and its product production cost. When it comes to economies of scale, bigger really is better for companies. That’s the reality of ...

Internal economies of scale arise when the cost of producing an item that your business sells decreases as the size of your business expands. That is, as a company grows larger and larger, overall ...

The U.S. National Institute of Standards and Technology (NIST) has completed significant upgrades to two key instruments serving what the agency calls “critical national needs”. The devices measure ...