Nonverbal relational control in family communication

A nonverbal component for an observational coding system of verbal relational control, the Family Relational Communication Control Coding System (FRCCCS; Friedlander & Heatherington, 1989) was developed and validated for research with families or other groups. In so doing, it was demonstrated that nonverbal relational control behaviors can be reliably identified and that these behaviors enhance communicative meaning in predictable ways. First, a pool of nonverbal behaviors with relational control meaning (e.g., head nod, raised eyebrow) was identified from consultation with family therapy researchers and from the literature. Second, the behaviors that were retained from the results of a content validity test were perceived by three independent samples as commonly understood, discrete attempts to either gain control (one-up) or relinquish control (one down) of a social relationship. Still other behaviors were eliminated based on results of a cluster analysis, the interpretation of which was the basis for composing operational definitions for four classes of nonverbal behaviors. Finally, assessments of the interjudge reliability and criterion validity of the nonverbal coding scheme supported its psychometric adequacy. Comparison of effect sizes showed that these discrete nonverbal behaviors accounted for over twice the variance in observers' perceptions as the verbal behaviors.     

Readers' responses ... medical noncompliance

The Second Opinion staff invited a number of its readers who are physicians to respond to our recent Case Stories section on medical noncompliance, which included a case story by Kevin Coleman and commentary and overview by Arthur W. Frank (Second Opinion 17, no. 3 [January 1992]). Our thanks to those who shared their reflections, a number of which have been excerpted here.     

THE IMPACT OF R&D INVESTMENT ON PRODUCTIVITY–NEW EVIDENCE USING LINKED R&D–LRD DATA

This paper uses confidential Census longitudinal microdata to examine the association between R&D and productivity for the period 1972–1985. These data allow for significant improvements in measurement and model specification, yielding more precise estimates of the returns to R&D. Our results confirm the findings of existing studies: 1) positive returns to R&D investment 2) higher returns to company-financed research 3) a productivity "premium" on basic research These results are robust to adjustments for "influential outliers." Also, our evidence suggests that the return to company-financed R&D is an increasing function of firm size.