Sibling effects refer to the immediate influence one sibling may have on another or to indirect influences through their embeddedness in a common friendship network We used three aspects of sibling mutual interaction—warmth, conflict, and frequency of contact with mutual friends—to evaluate sibling effects on delinquency and substance use in 135 brother pairs, 142 sister pairs, and 141 mixed‐sex pairs in the Arizona Sibling Study (primarily aged 10–16 years). We hypothesized that sibling relationship variables would condition the behavioral resemblance of the younger and older sibling. For both substance use and delinquency, this prediction was confirmed for warmth and mutual friends: Sibling pairs who reported warmer mutual relationships or greater contact with mutual friends were more alike behaviorally. The statistical sibling effects were not explained by social class, parental substance use, or rearing styles. We interpret them as the influence of one sibling on the other and as the influence arising from sharing common friends. Given the existence of sibling effects, the strength of shared familial influences of other origins must be revised downward.
PurposeThe present research aims to focus on sibling effects and birth order on preteen children's perceptions of influence in family purchase decision making. It also aims to examine the accuracy of children's perceived influence as compared to their parents. These areas have received little attention from consumer behavior researchers and, although there is research on sibling effects from broader sociological and psychological perspectives, there is very little empirical research from a marketing perspective. This research seeks to begin to fill that gap.Design/methodology/approachA key methodological contribution of the paper is that data were collected from triads as opposed to the more common dyadic mother/child data. Surveys were used to collect the data. Subjects, which consisted of children and their parents, were recruited through an elementary school in a mid‐sized city in the southeastern USA. A total of 184 triads were approached to participate and 94 completed the surveys from each member of the triad were received. Data were analyzed using SPSS and four a priori hypotheses were tested. Theoretically the paper draws from research on sibling effects.FindingsThe paper finds that preteens in the study perceived they had significant influence on purchase decisions. Key results of interest include the finding that the mere presence of siblings weakened the perception of influence, yet interestingly, results indicate that later‐born/only children have more influence on certain purchases than firstborns. In addition, results indicate that preteens felt they have more influence on purchases that are intended for their use as opposed to purchases that are for family use. Parents also felt that children have more influence on purchases for the child, but parents did not perceive the levels to be as high as their children did.Research limitations/implicationsIf later‐borns and only children have more influence and as such get their way more often, does this affect their ability to be competent adult consumers? Are there more instances of compulsive shopping and other decision‐making problems because they have become accustomed to getting what they want? In addition, if children overestimate influence, is it because they are not yet able to fully understand persuasion and the use of influence? From a public policy perspective there have often been concerns raised about children's ability to deal with influence, and if very subtle forms of influence are used, children may not be equipped to recognize these attempts and as a result may be more susceptible to them.Originality/valueResearch examining sibling effects on children's perceived influence is virtually non‐existent. According to Commuri and Gentry, who conducted a thorough review of research in family decision making, sibling influence has not been systematically examined in consumer research. Research in this area is important as marketers seek to fully understand the impact children have on family purchase decisions, the roles children play in the decision‐making process, and the factors affecting children's degree of influence.
AbstractThis study addresses the role of sibling influence on social understanding in the second year of life, in a sample of families living inNewZealand who identify asPacificIsland (N= 43). We tested toddlers at 20 and 26 months on social understanding tasks, as well as their levels of self‐awareness on theStipek self‐concept questionnaire. We hypothesized that the presence of siblings provides a rich resource from which to learn about the mind. There were significant differences in children's social understanding and self‐awareness as a function of having older siblings. Further analyses revealed that the relation between older siblings and social understanding was mediated by toddlers' level of self‐awareness.
In: Zang, Emma, Poh Lin Tan (;joint first authors); &; Philip J. Cook. Forthcoming. Sibling Spillovers:; Having an Academically Successful Older Sibling May be More Important for Children in Disadvantaged Families. American Journal of Sociology.
How do individuals come to hold certain beliefs about meritocracy, individualism, and redistribution? Several sociodemographic factors are regularly used to understand variation in these beliefs, but other predictors remain untested. Meanwhile, scholars studying family dynamics are increasingly turning their attention toward the long‐term social effects of distinct family features. One facet of this work focuses on the social role of siblings. We investigate the relationship at the intersection of these literatures. How does growing up with (more) siblings influence one's inequality beliefs? Do siblings promote collectivism or might these same relationships foster competition and individualism? Could trust be the mechanism connecting sibship size with inequality beliefs? Or, do sibling effects reflect a broader promotion of conservative thinking in larger families? We investigate these questions using data from the General Social Survey from 1984 to 2018. Our results indicate that siblings are associated with more conservative meritocracy beliefs. On the other hand, we find limited evidence of siblings influencing attitudes toward redistribution.