Modeling social influence through network autocorrelation: constructing the weight matrix

Many physical and social phenomena are embedded within networks of interdependencies, the so-called ‘context’ of these phenomena. In network analysis, this type of process is typically modeled as a network autocorrelation model. Parameter estimates and inferences based on autocorrelation models, hinge upon the chosen specification of weight matrix W, the elements of which represent the influence pattern present in the network. In this paper I discuss how social influence processes can be incorporated in the specification of W. Theories of social influence center around ‘communication’ and ‘comparison’; it is discussed how these can be operationalized in a network analysis context. Starting from that, a series of operationalizations of W is discussed. Finally, statistical tests are presented that allow an analyst to test various specifications against one another or pick the best fitting model from a set of models.     

Why should they live more with one of us when they are children to us both?: Parents' motives for practicing equal joint physical custody for children aged 0–4

Joint physical custody, i.e., children spending an equal amount of time in both parents' home after a separation or divorce, is increasing in many countries. In line with the national policy to promote paternal involvement in parenting, two-thirds of Swedish preschoolers with non-cohabiting parents live in two homes. Internationally, there has been a debate regarding the benefits or risks with joint physical custody for infants and toddlers. The aim of this qualitative study was to explore the reasons given by divorced parents for sharing joint physical custody of children 0–4 years of age. Interviews were conducted with 46 parents (18 fathers and 28 mothers) and analyzed using systematic text condensation. Two themes emerged in response to the research question. In the theme Same rights and responsibilities, parents described that joint physical custody was ‘a given’ as both parents were seen to have equal rights to and responsibility for the children. Both men and women described involved fatherhood as an ideal goal. In the theme For the sake of the child, parents emphasized that joint physical custody was in the best interest of the child. Some parents had conflicts with their ex-spouses, but were still convinced of the benefits of joint physical custody and strove to make it work.     

Joint Control for Dummies: An Elaboration of Lowenkron’s Model of Joint (Stimulus) Control

The following paper describes Lowenkron''s model of joint (stimulus) control. Joint control is described as a means of accounting for performances, especially generalized performances, for which a history of contingency control does not provide an adequate account. Examples are provided to illustrate instances in which joint control may facilitate performance of a task.     

The Effect of Joint Control Training on the Performance of Multiply Controlled Behavior: A Systematic Literature Review Relevant to Children With Autism Spectrum Disorder and Other Developmental Disabilities

Skinner (1957) differentiated the roles of the speaker and the listener in a verbal encounter. Although not extensively emphasized, Skinner suggested an individual often behaves verbally even when responding as a listener. Children diagnosed with autism spectrum disorders (ASD) often display the absence of important, and basic verbal repertoires that limit their ability to engage in a variety of social skills or problem-solving skills. Joint control suggests that multiply controlled verbal responding involves functional control of two 2 or more stimuli or verbal operants. This systematic literature review provides a summary of publications specifying the relation and implications of the analysis of joint control and joint control training in the acquisition of multiply controlled, non-speaker behaviors (e.g., selection-based behavior; , sequencing behavior). The synthesis suggests that joint control training presents as a promising analytic tool in guiding interventions to teach complex, multiply controlled verbal and non-verbal repertoires to children diagnosed with autism ASD and/or other developmental disabilities. Recommendations for future research in joint control, as well as the implementation of joint control training, are provided.

     

Co-development of Problem Gambling and Depression Symptoms in Emerging Adults: A Parallel-Process Latent Class Growth Model

This study examines whether there are multiple joint trajectories of depression and problem gambling co-development in a sample of emerging adults. Data were from the Manitoba Longitudinal Study of Young Adults (n = 679), which was collected in 4 waves across 5 years (age 18–20 at baseline). Parallel process latent class growth modeling was used to identified 5 joint trajectory classes: low decreasing gambling, low increasing depression (81%); low stable gambling, moderate decreasing depression (9%); low stable gambling, high decreasing depression (5%); low stable gambling, moderate stable depression (3%); moderate stable problem gambling, no depression (2%). There was no evidence of reciprocal growth in problem gambling and depression in any of the joint classes. Multinomial logistic regression analyses of baseline risk and protective factors found that only neuroticism, escape-avoidance coping, and perceived level of family social support were significant predictors of joint trajectory class membership. Consistent with the pathways model framework, we observed that individuals in the problem gambling only class were more likely using gambling as a stable way to cope with negative emotions. Similarly, high levels of neuroticism and low levels of family support were associated with increased odds of being in a class with moderate to high levels of depressive symptoms (but low gambling problems). The results suggest that interventions for problem gambling and/or depression need to focus on promoting more adaptive coping skills among more “at-risk” young adults, and such interventions should be tailored in relation to specific subtypes of comorbid mental illness.     

Money management and control in the Indian joint family across generations

Studies of money management and control will have more cross‐cultural relevance if the family context of money across generations is taken into account. The study of money management and control in middle‐income nuclear and joint family households in urban India illustrates the importance of examining money flows within the wider family context because there is a two‐way flow of money beyond the married couple – between parents and adult children, siblings and other members of the extended family. In the three or four generational joint family, control and management at the household level is not necessarily duplicated for the constituent couples. We draw on open‐ended interviews of 40 persons from 27 urban middle‐income households in North India, between November 2007 and January 2008, to show that the male control of money is the dominant pattern. This pattern is linked to the ideology of male dominance that is found among the middle, lower middle and struggling households, particularly in non‐metropolitan households. The upper‐middle‐class households predominantly in metropolitan households show a pattern of joint or independent control. The focus is on the couple's money decisions within the context of the wider family.     

Accurate Delayed Matching-to-Sample Responding without Rehearsal: An Unintentional Demonstration with Children

Research on joint control has focused on mediational responses, in which simultaneous stimulus control from two sources leads to the emission of a single response, such as choosing a comparison stimulus in delayed matching-to-sample. Most recent studies of joint control examined the role of verbal mediators (i.e., rehearsal) in evoking accurate performance. They suggest that mediation is a necessity for accurate delayed matching-to-sample responding. We designed an experiment to establish covert rehearsal responses in young children. Before participants were taught such responses; however, we observed that they responded accurately at delays of 15 and 30 s without overt rehearsal. These findings suggest that in some cases, rehearsal is not necessary for accurate responding in such tasks.

     

Maternal Depression and the Ability to Facilitate Joint Attention With 18‐Month‐Olds

Maternal depression has been associated with the mother‐child dyad's ability to engage in joint attention. This study of 69 depressed and 63 control mothers and their 18‐month‐olds addresses how aspects of maternal psychopathology are related to joint attention during a snack interaction. Although nondepressed‐mother dyads appeared better at joint attention than depressed‐mother dyads, this difference was not statistically significant. Among the depressed‐mother dyads, joint attention was related to presence of a comorbid Axis I diagnosis (usually an anxiety disorder) versus a diagnosis of major depressive disorder (MDD) only. Surprisingly, dyads with mothers who met criteria for a comorbid diagnosis were better at joint attention than those with MDD only, despite the fact that those mothers were likely to have longer and more severe depressive histories. The relationship between comorbid status and joint attention was mediated by the mother's affect. Rationale for the paradoxical finding that the “more pathological” mothers had greater success in engaging in joint attention is discussed.     

Generalization of Relational Matching to Sample in Children: A Direct Replication

The ability of preschool age children to perform generalized relational matching to sample tasks with and without an overt mediating stimulus was examined. This experiment was a direct replication of a study by Lowenkron (1984) and examined a behavioral model relevant to complex human behavior that he later came to call joint control. Children were trained to code two-dimensional stimuli with the help of a handheld mediating stimulus. They were later tested for generalization of relational matching to sample with and without the mediating stimulus. Results indicated high levels of generalized matching to sample with the mediating stimulus and lower levels without. Findings also indicated that generalization was somewhat stronger with symmetrical shapes than with asymmetrical. Results are discussed in terms of a radical behavioral interpretation of complex human behavior.     

AN EXPLORATORY MODEL OF THE SIZE DISTRIBUTION OF INCOME

Through a specific model, this paper explores a promising general framework for unified modelling of the size distribution of income and wealth. The specific model includes physical and human capital accumulation, factoral and size distribution effects, redistributive taxation, economic growth, and other distribution-related mechanisms. The main conclusion is that the general framework can accommodate a wide range of distributional phenomena and still remain analytically tractable. Specifically, the framework allows closed form analytic solution for the first two moments (mean vector and variance-covariance matrix) of the joint distribution over individuals of income, wealth, and other variables.     

Lesbian studies and activism in India

This essay surveys public debates and writings about lesbianism and the history of activism around lesbian issues in twentieth-century India. Weddings between women and joint suicides by female couples over the last twenty-five years are among the under-researched, but increasingly reported, phenomena that suggest future directions that activism and the study of lesbianism in India may take.     

Framing Inflation and Investment: The New York Times and the Cultural Context of a Local Housing Market

Examining the work of local media can be a valuable starting point for exploring the institutionally shaped cultural contexts within which local housing markets are embedded and for shedding light on market phenomena like local housing bubbles. This paper draws on a qualitative analysis of articles published in the Real Estate section of the New York Times to explore some of the meanings about homeownership, home-buying, and market behavior that were institutionally reinforced in New York City during a period of growing unease about the direction of the local market. Through the use of framing analysis, I conclude that the New York Times symbolically reinforced the contradictory role that real estate, ??the secondary circuit of capital?? plays in the economy.     

Can strategic uncertainty help deter tax evasion? An experiment on auditing rules

This paper adds to the economic-psychological research on tax compliance by experimentally testing a simple auditing rule that induces strategic uncertainty among taxpayers. Under this rule, termed the bounded rule, taxpayers are informed of the maximum number of audits by a tax authority, so that the audit probability depends on the joint decisions among the taxpayers. We compare the bounded rule to the widely studied flat-rate rule, where taxpayers are informed that they will be audited with a constant probability. The experimental evidence shows that, as theoretically predicted, the bounded rule induces the same level of compliance as the flat-rate rule when strategic uncertainty is low, and a higher level of compliance when strategic uncertainty is high. The bounded rule also induces distinctive tax evasion dynamics compared to the flat-rate rule. The results suggest that increasing the level of strategic uncertainty among taxpayers could be an effective device to deter tax evasion.     

Against wisdom: the social politics of anger and aging

Focusing on two books key to the cultural history of aging in America in the twentieth century—G. Stanley Hall's Senescence: The Last Half of Life [Hall, G. S. (1922, rpt. 1972). Senescence: the last half of life. New York: Arno Press] and Betty Friedan's The Fountain of Age [Friedan, B. (1993). The fountain of age. New York: Simon and Schuster], this essay explores: (1) the cultural reflex of invoking wisdom as the special strength of the old and (2) the strategy of using anger to call attention to ageism. “Against Wisdom” argues that it is difficult, if not virtually impossible, to envision a productive future for the elderly through the joint cultural building blocks of wisdom and anger. A manifesto of sorts, the essay calls for a moratorium on wisdom and suggests that stories of a vitalizing anger at being marginalized because old be told and circulated, and concludes with a story from Barbara Macdonald's Look Me in the Eye: Old Women, Aging, and Ageism.     

Accounts of professional and institutional tension in the context of Swedish elderly care

This article describes need assessment dialogues, the circumstances surrounding care, and the provision of residential care and in-home support for the elderly in Sweden, as seen from a communicative perspective. The purpose was to systematically describe and analyse the accounts of welfare officers concerning elderly care. The research questions were: How is the internal care context perceived and constituted through discourse? How do welfare officers manage the daily demands, expectations, tasks, and dilemmas in the encounter with the individual citizen? What significance do the welfare officers give their work and their professional tasks?Eleven interviews with welfare officers from elderly and handicapped care organisation of three municipalities were held, and a discursive analysis was made from the collected data. Four characteristic discursive phenomena in the welfare officers' accounts were observed: (I) the rights of the elderly, (II) living at home, (III) good relations, and (IV) the complaisance. The study shows that the dialogues with elderly contain communicative dilemmas and mixed loyalties. The welfare officers navigate between different perspectives and double approaches. She/he uses the navigating as a strategy and proficiency in their work. However, these proficiencies remain largely unnoticed and unreflected as techniques, strategies, or tools for attaining favourable care.     

The Grünberg/Modigliani and Simon possibility theorem: A social psychological critique

The venerable “possibility theorem” of Grünberg and Modigliani (1954) and Simon (1954) continues to excite interest, not only in its original domainwhether or not self-altering prophecies automatically rule out accurate social and economic prediction—but, more recently, as a supposed precursor of rational expectations theory. It has survived several attacks on its logic and mathematics. The present critique focuses on the expressly stated assumption—essential for the theorem—that the “reaction function” between the predicted outcome and the actual outcome is continuous. The article argues that the theorem, while logically sound, is not empirically germane because such a continuous reaction function violates all social psychological understanding of the effects of benchmarks and related phenomena. The possibility theorem is, therefore, a logically sound analysis of a virtually empty set, and its conclusions concerning accurate prediction under conditions of self-alteration can rarely apply even as proofs of “possibility.”     

The binuclear family

A new family form,the binuclear family, is emerging with the rise in divorce rates. To aid in its institutionalization and in lifting from it the stigma of social deviance, some new terminology was coined and a study of the dynamics of continuing postdivorce parenting relationships conducted. Reported here are findings on the reorganization of familial homes with court-awarded joint custody. It was found that most of the former spouses in the sample continued to relate after divorce, forming two separate households joined together by a coparental bond.     

Mathematical Sociology in Japan: Its Powerful Development and a Problem

Mathematical sociology in Japan was born in the mid-1970s and has actively developed since then. Mathematical sociologists in Japan have studied various topics of mathematical sociology as well as of quantitative sociology. The Japanese Association for Mathematical Sociology (JAMS) was established in 1986. It holds semi-annual conferences and publishes Sociological Theory and Methods, its official journal. Thus, the JAMS is a platform for mathematical sociologists in Japan to present and publish papers, contributing to the institutionalization of mathematical sociology in Japan. It has also co-sponsored five joint conferences with the Section on Mathematical Sociology of the American Sociological Association. Based on these activities, mathematical sociology in Japan could be judged to be vibrant domestically and internationally; it has a bright future. I argue, however, that mathematical sociologists in Japan have tended to confine themselves to areas where mathematical modeling is relatively easy. These areas are not necessarily attractive to sociologists in other fields. I propose that mathematical sociologists in Japan should tackle social phenomena that other sociologists think are critical to sociology so that they further contribute to advances in the discipline.     

PORTFOLIO CHOICE AND RISK ATTITUDES: AN EXPERIMENT

Using financial incentives, we study how portfolio choice (how much to invest in a risky asset) depends on three well-known behavioral phenomena: ambiguity aversion, the illusion of control, and myopic loss aversion. We find evidence that these phenomena are present and test how the level of investment is affected by these motivations; at the same time, we investigate whether participants are willing to explicitly pay a small sum of money to indulge preferences for less ambiguity, more control, or more frequent feedback/opportunities to choose the investment level. First, the observed preference for "control" did not affect investment behavior and in fact disappeared when participants were asked to actually pay to gain more control. Second, while people were indeed willing to pay for less ambiguity, the level of ambiguity did not influence investment levels. Finally, participants were willing to pay to have more frequent feedback opportunities to change their portfolio, even though prior research has shown that people invest less in risky assets (and earn less) in this case . ( JEL B49, C91, D81, G11, G19)     

Interorganizational network findings from a nationwide cardiovascular disease prevention initiative

ObjectivesTo use network analysis in order to evaluate the effectiveness of interorganizational networks in implementing policy, systems, and environmental interventions for cardiovascular disease prevention throughout the United States.MethodsEvaluators conducted an interorganizational network (ION) survey to examine information sharing and joint planning within organizational relationships in 15 community-based cardiovascular disease prevention partnership networks. Density and betweenness centrality scores at the node- and network-level were calculated for each partnership network using UCINET© network analysis software. Common data patterns were then extracted using a multiple case study format.ResultsNetwork density scores ranged from 0.50 to 1.00 (M = 0.84, SD = 0.14) for information sharing and 0.43–1.00 (M = 0.77, SD = 0.15) for joint planning. Centralization indices ranged from 0.00 to 0.11 (M = 0.04, SD = 0.03), and 0.00-0.17 (M = 0.06, SD = 0.05), respectively. Overall, 73.33 % of communities were successful in meeting their partnership goals.ConclusionsWhen planning and implementing interorganizational networks, high betweenness centrality and more hierarchically structured networks were identified as the most salient partnership characteristics to programmatic success. The network findings were triangulated with previously published qualitative data to provide context. These findings provide valuable insight on how national networks can be designed and leveraged to implement systematic community health projects.