Consistent findings were found with respect to accounts of more concrete factors, such as the division of labor in a marriage. Inconsistent findings were found with respect to more abstract judgments of marital quality. However, the distinction between complexity and abstraction of items did not yield different results in telephone and face-to-face interviews in a study of opinions of city services (T. F. Rogers, 1976). In this study there was no difference in respondent’s ability to provide answers to complicated questions. Therefore, although there is some evidence that telephone interviews provide comparable data as compared with other methods, this evidence points to the importance of both context and the type of question as factors that may influence the integrity of the data collected. This evidence points to the need to be specific as to the data collection method used and to ensure that the data from subjects interviewed over the phone is statistically similar to data gathered using other methods. Too often, these populations and question types are combined without examining potential differences (Malhotra et al., 2005; Maritan, 2001).