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Dive into the research topics where Madoka Kumashiro is active.

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Featured researches published by Madoka Kumashiro.


Journal of Personality and Social Psychology | 2004

Are Normal Narcissists Psychologically Healthy?: Self-Esteem Matters

Constantine Sedikides; Erich A. Rudich; Aiden P. Gregg; Madoka Kumashiro; Caryl E. Rusbult

Five studies established that normal narcissism is correlated with good psychological health. Specifically, narcissism is (a) inversely related to daily sadness and dispositional depression, (b) inversely related to daily and dispositional loneliness, (c) positively related to daily and dispositional subjective well-being as well as couple well-being, (d) inversely related to daily anxiety, and (e) inversely related to dispositional neuroticism. More important, self-esteem fully accounted for the relation between narcissism and psychological health. Thus, narcissism is beneficial for psychological health only insofar as it is associated with high self-esteem. Explanations of the main and mediational findings in terms of response or social desirability biases (e.g., defensiveness, repression, impression management) were ruled out. Supplementary analysis showed that the links among narcissism, self-esteem, and psychological health were preponderantly linear.


Journal of Personality and Social Psychology | 2010

The Doormat Effect: When Forgiving Erodes Self-Respect and Self-Concept Clarity

Laura B. Luchies; Eli J. Finkel; James K. McNulty; Madoka Kumashiro

We build on principles from interdependence theory and evolutionary psychology to propose that forgiving bolsters ones self-respect and self-concept clarity if the perpetrator has acted in a manner that signals that the victim will be safe and valued in a continued relationship with the perpetrator but that forgiving diminishes ones self-respect and self-concept clarity if the perpetrator has not. Study 1 employed a longitudinal design to demonstrate that the association of marital forgiveness with trajectories of self-respect over the first 5 years of marriage depends on the spouses dispositional tendency to indicate that the partner will be safe and valued (i.e., agreeableness). Studies 2 and 3 employed experimental procedures to demonstrate that the effects of forgiveness on self-respect and self-concept clarity depend on the perpetrators event-specific indication that the victim will be safe and valued (i.e., amends). Study 4 employed a longitudinal design to demonstrate that the association of forgiveness with subsequent self-respect and self-concept clarity similarly depends on the extent to which the perpetrator has made amends. These studies reveal that, under some circumstances, forgiveness negatively impacts the self.


Current Directions in Psychological Science | 2009

The Michelangelo Phenomenon

Caryl E. Rusbult; Eli J. Finkel; Madoka Kumashiro

This paper reviews theory and research regarding the “Michelangelo phenomenon.” The Michelangelo model suggests that close partners sculpt one anothers selves, shaping one anothers skills and traits and promoting versus inhibiting one anothers goal pursuits. As a result of the manner in which partners perceive and behave toward one another, each person enjoys greater or lesser success at attaining his or her ideal-self goals. Affirmation of one anothers ideal-self goals yields diverse benefits, both personal and relational. The Michelangelo model and supportive empirical evidence are reviewed, the phenomenon is distinguished from related interpersonal processes, and directions for future work are outlined.


Psychological Science | 2005

Taking on Board Liability-Focused Information Close Positive Relationships as a Self-Bolstering Resource

Madoka Kumashiro; Constantine Sedikides

Do close positive relationships function as a self-bolstering resource, armoring the self against potentially threatening information? After taking a difficult and important intellectual ability test, participants visualized a relationship that was close positive, close negative, or neutral (Experiment 1) or a relationship that was close positive, close negative, distant positive, or distant negative (Experiment 2). All participants received bogus unfavorable feedback about their performance and subsequently indicated their interest in obtaining further liability-focused information about the performance domain and the underlying intellectual ability. Participants who visualized close positive relationships expressed the highest interest in receiving such information, despite rating it as unpleasant. State self-esteem and mood did not account for this effect, although warm affect for the relational partner did. Close positive relationships function as a psychological resource that bolsters the self against feedback about a newly discovered liability to the point where receptivity to additional liability-relevant information actually increases.


Personality and Social Psychology Bulletin | 2008

Everyday Conceptions of Modesty: A Prototype Analysis

Aiden P. Gregg; Claire M. Hart; Constantine Sedikides; Madoka Kumashiro

Good theoretical definitions of psychological phenomena not only are rigorously formulated but also provide ample conceptual coverage. To assess the latter, we empirically surveyed everyday conceptions of modesty in a combined U.S./U.K. sample. In Study 1, participants freely generated multiple exemplars of modesty that judges subsequently sorted into superordinate categories. Exemplar frequency and priority served, respectively, as primary and secondary indices of category prototypicality that enabled central, peripheral, and marginal clusters to be identified. Follow-up studies then confirmed the ordinal prototypicality of these clusters with the aid of both explicit (Studies 2 and 3) and implicit (Study 3) methodologies. Modest people emerged centrally as humble, shy, solicitous, and not boastful and peripherally as honest, likeable, not arrogant, attention-avoiding, plain, and gracious. Everyday conceptions of modesty also spanned both mind and behavior, emphasized agreeableness and introversion, and predictably incorporated an element of humility.


Journal of Personality and Social Psychology | 2009

The Part of Me That You Bring Out: Ideal Similarity and the Michelangelo Phenomenon

Caryl E. Rusbult; Madoka Kumashiro; Kaska E. Kubacka; Eli J. Finkel

This work examines the Michelangelo phenomenon, an interpersonal model of the means by which people move closer to (vs. further from) their ideal selves. The authors propose that partner similarity--similarity to the ideal self, in particular--plays an important role in this process. Across 4 studies employing diverse designs and measurement techniques, they observed consistent evidence that when partners possess key elements of one anothers ideal selves, each person affirms the other by eliciting important aspects of the others ideals, each person moves closer to his or her ideal self, and couple well-being is enhanced. Partner similarity to the actual self also accounts for unique variance in key elements of this model. The associations of ideal similarity and actual similarity with couple well-being are fully attributable to the Michelangelo process, to partner affirmation and target movement toward the ideal self. The authors also performed auxiliary analyses to rule out several alternative interpretations of these findings.


Personality and Social Psychology Bulletin | 2009

The Metamorphosis of Narcissus: Communal Activation Promotes Relationship Commitment Among Narcissists

Eli J. Finkel; W. Keith Campbell; Laura E. Buffardi; Madoka Kumashiro; Caryl E. Rusbult

Three studies tested the hypotheses that the activation of communal mental representations promotes relationship commitment (communal activation hypothesis) and that this effect is stronger among narcissists than among nonnarcissists (Communal Activation × Narcissism hypothesis). Across experimental, longitudinal, and interaction-based research methods, and in participant samples ranging from college students to married couples, results supported the communal activation hypothesis in two of three studies and the Communal Activation × Narcissism hypothesis in all three studies. Moreover, a meta-analytic summary of the results across the three studies revealed that the association of communal activation with commitment was significant overall and that it was stronger among narcissists than among nonnarcissists. Narcissists tended to be less committed than nonnarcissists at low levels of communal activation, but this effect diminished and sometimes even reversed at high levels. This work is the first to identify a mechanism by which narcissists can become more committed relationship partners.


Social Psychological and Personality Science | 2014

Filling the Void Bolstering Attachment Security in Committed Relationships

Ximena B. Arriaga; Madoka Kumashiro; Eli J. Finkel; Laura E. VanderDrift; Laura B. Luchies

Attachment security has many salutary effects in adulthood, yet little is known about the specific interpersonal processes that increase attachment security over time. Using data from 134 romantically committed couples in a longitudinal study, we examined trust (whether a partner is perceived as available and dependable) and perceived goal validation (whether a partner is perceived as encouraging one’s personal goal pursuits). In concurrent analyses, trust toward a partner was uniquely associated with lower attachment anxiety, whereas perceiving one’s goal pursuits validated by a partner was uniquely associated with lower attachment avoidance. In longitudinal analyses, however, the inverse occurred: Trust toward a partner uniquely predicting reduced attachment avoidance over time and perceived goal validation uniquely predicting reduced attachment anxiety over time. These findings highlight distinct temporal paths for bolstering the security of attachment anxious versus attachment avoidant individuals.


Journal of Personality and Social Psychology | 2005

Executive Self, Self-Esteem, and Negative Affectivity: Relations at the Phenotypic and Genotypic Level

Michelle B. Neiss; Jim Stevenson; Constantine Sedikides; Madoka Kumashiro; Eli J. Finkel; Caryl E. Rusbult

Complementary approaches examined the relations among executive self, self-esteem, and negative affectivity. A cross-sectional (N = 4,242) and a longitudinal (N = 158) study established that self-esteem mediated the relation between executive self and negative affectivity. A 3rd study (N = 878 twin pairs) replicated this pattern and examined genetic and environmental influences underlying all 3 phenotypes. Covariation among the 3 phenotypes reflected largely common genetic influences, although unique genetic effects explained variability in both executive self and negative affectivity. Executive self was influenced by shared environmental influences unique from those affecting self-esteem and negative affectivity. Non-shared environmental influences accounted for the majority of variance in each construct and were primarily unique to each. The unique genetic and non-shared environmental influences support the proposition that the executive self, self-esteem, and negative affectivity capture distinct and important differences between people.


Psychological Science | 2009

Perceived Support for Promotion-Focused and Prevention-Focused Goals Associations With Well-Being in Unmarried and Married Couples

Daniel C. Molden; Gale M. Lucas; Eli J. Finkel; Madoka Kumashiro; Caryl E. Rusbult

Perceived emotional support from close relationship partners in times of stress is a major predictor of well-being. However, recent research has suggested that, beyond emotional support, perceived support for achieving personal goals is also important for well-being. The present study extends such research by demonstrating that associations of perceived goal support with well-being differ depending on how people represent their goals and the general motivational context in which they pursue these goals. Among unmarried romantic partners, for whom the context of the relationship presumably is largely attainment oriented, perceived support for attainment-relevant (or promotion-focused) goals independently predicted relationship and personal well-being, whereas perceived support for maintenance-relevant (or prevention-focused) goals did not. In contrast, among married partners, for whom the context of the relationship presumably is both attainment and maintenance oriented, perceived support for both promotion-focused and prevention-focused goals independently predicted well-being. We discuss the implications for forecasting and improving well-being among married couples.

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Michael K. Coolsen

Shippensburg University of Pennsylvania

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Laura B. Luchies

Redeemer University College

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Shevaun L. Stocker

University of North Carolina at Chapel Hill

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