“…In addition, despite Ainsworth's careful efforts to operationalize the concept of sensitivity, several researchers have suggested that observer judgments regarding the "appropriateness" of maternal responses are based in part on cultural and other contextual factors, and have recommended adding measures of a variety of maternal and contextual variables (level of social support, personal attachment history/integration, cultural beliefs about parenting and child development) to investigations of the caregiving antecedents of attachment quality (Barnett, Kidwell, & Leung, 1998;De Wolff & van IJzendoorn, 1997;Fisher, Jackson, & Villarruel, 1998;Harwood, Miller, & Irizarry, 1995;Jackson, 1986;Leyendecker, Lamb, Schölmerich, & Fracasso, 1995;Rothbaum, Weisz, Pott, Miyake, & Morelli, 2000;Waters, Bailey, Pederson, & Moran, 1999). Indeed, Ainsworth's meticulous naturalistic studies in Uganda led her to caution future researchers that caregiving must be understood in cultural and historic context (Ainsworth, 1967).…”