Scale Type Revisited: Some Misconceptions, Misinterpretations, and Recommendations

Reliability in Content Analysis: Some Common Misconceptions and Recommendations

In a recent article published in this journal, Lombard, Snyder-Duch, and Bracken (2002) surveyed 200 content analyses for their reporting of reliability tests; compared the virtues and drawbacks of five popular reliability measures; and proposed guidelines and standards for their use. Their discussion revealed that numerous misconceptions circulate in the content analysis literature regarding h...

Some Misconceptions about Genetics

providing a succinct summary of what is known about the opportunities for psychia try that are likely to derive from genetic findings as they emerge from future re search. The research techniques used in both quantitative genetics (Rutter et a!, 1990a) and molecular genetics (Owen & McGuffin, 1993; Lander & Schork, 1994; Risch & Merikangas, 1996) have been the subject of previous non-technical ...

Using cluster analysis for market segmentation - typical misconceptions, established methodological weaknesses and some recommendations for improvement

Despite the wide variety of techniques available for grouping individuals into market segments on the basis of multivariate survey information, clustering remains the most popular and most widely applied method. Nevertheless, a review of the application of such data-driven partitioning techniques reveals that questionable standards have emerged. For instance, the exploratory nature of partition...

Some Common Misconceptions of Malaria

Debunking some myths and misconceptions about indexing

One of the most persistent myths in the investment industry is that it makes sense to use an index strategy in efficient markets, for instance with large-capitalization stocks, but to use an active strategy in inefficient segments. It’s important to note that the term inefficient is often used to refer to informational inefficiencies. But investors must also consider the full spectrum of costs ...