Are comparisons the answer to understanding behavioral aspects of aging in racial and ethnic groups

The knowledge gained from studying diverse populations should help to address inequities and prepare us to deal with the needs of the increasing number of older minorities in this country. At the same time, research that is not properly conducted threatens to lead us astray and misconstrue relationships and outcomes related to behavioral aspects of aging. In this article, we propose that simple comparisons between groups are neither necessary nor sufficient to advance our understanding of ethnic minorities. We discuss common pitfalls conducted in group-differences research, including a specific treatment on the issue of statistical power issues. Our goal is to encourage the use of multiple methodological designs in the study of issues related to racial and ethnic minorities by demonstrating some of the advantages of lesser employed approaches. Key Words: Ethnicity—Minorities—Racial comparisons—Models of group differences—Statistical power. T HE predicted explosion in the demographic shift towardmore ethnic minorities representing a greater proportion of our nation (Angel & Angel, 2006) has made the science of studying race and ethnicity a priority for the scholarly community. The National Institutes of Health (NIH) have made several recent revisions to their guidelines for human subject treatment (NIH, 2001). One of the central points o