Commentary on two articles by C.A. Los

Commentary on Two Articles by C. A. Los

Recently, C. A. Los has recommended that all previous methods for estimating linear relations from data with unknown errors be scrapped, and proposes to nd an `exact objective mathematical solution' that depends only on the data. We discuss this with the conclusions that (1) his criticisms of previous methods, while overly severe, make some important points worth noting; (2) however, his soluti...

Fractionating impulsivity: commentary on "choice impulsivity" and "rapid-response impulsivity" articles by Hamilton and colleagues.

In this issue, Hamilton, Littlefield, et al. (2015, pp. 168–181) and Hamilton, Mitchell, et al. (2015, pp. 182–198) present two timely review articles on aspects of impulsivity. To quote William James, “Every one knows what attention is.” Is the same true of impulsivity? At face value it might appear easy to define. However, then the realization dawns that impulsivity cuts across many psychiatr...

Comments on two subdermal implant articles.

I enjoyed reading the two articles written by Sam Rowlands in the October 2010 issue of the Journal. 1 2 They were comprehensive and gave valuable information to health care professionals providing a contraceptive subdermal implant service. There are, however, several points that require clarifi cation and/or correction. First, Norplant ® , the six-rod system, was manufactured by Leiras Oy, now...

Commentary on "A Tale of Two States".

Commentary on Watson et al.'s Articles on Airport Remediation Following a Chemical Terrorist Attack

It was an honor to be associated in the review process with the work done by Dr. Watson and co-authors (2011a,b) on the first-time, open-literature documentation of multi-pathway, health-based remediation exposure guidelines for toxic industrial compounds and chemical warfare agents in preparation for a terrorist attack. Such preliminary planning is vital to the country’s security. One would im...