Refusing to budge: a confirmatory bias in decision making?

Kosnik, Lea-Rachel

doi:10.1007/s11299-007-0043-5

Cited by 14 publications

(10 citation statements)

References 50 publications

(68 reference statements)

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“…Also, confirmation heuristics has a significant negative effect on speculative buying behavior. The results concur with studies of Kosnik (2008), Bashir, Javed, Meer andNaseern (2013) andKahneman (2013). A reasonable explanation is that this study focuses on speculative buying behavior while those previous studies concentrate on judgment and decision making in general.…”

Section: Results Of the Estimated Pls Structural Modelsupporting

confidence: 92%

“…The study indicated that people tend to believe false hypotheses, despite receiving a tremendous amount of information that contradicts such beliefs. Kosnik (2008) tested for the existence of the confirmation heuristic in different tax policy situations and found that the confirmation heuristic not only exists strongly but also affects decision-making. Unfortunately, there is a lack of studies on the relationship between the confirmation heuristic and speculation behavior.…”

Section: Confirmationmentioning

confidence: 99%

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Behavioral Finance And Speculative Behavior Of Investors: Evidence From Saudi Stock Market

Alsedrah¹

2018

The European Proceedings of Social and Behavioural Sciences

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This study examines the profile of individual stock traders in Saudi stock market and attempts to determine the behavioral finance factors affecting the speculative behavior of investors as well as to discover the strongest predictors. Using questionnaire survey method, 130 individual traders in Saudi stock market were identified for this study. The survey is carried out in the biggest brokerage firms in Dammam, Riyadh, and Jeddah. It appears that more than 50% of the individual stock traders are in the age group of between 30-39 years and most of them are inexperienced traders. The results from the Partial Least Square method show that anchoring, confirmation, representativeness and overconfidence heuristics have a significant relationship with speculative behavior. Anchoring appears to be the main predictor of speculative behavior, followed by confirmation, representativeness, and overconfidence. In contrast, availability, loss aversion, and regret aversion does not play a significant role in the speculative behavior of individual traders. The behavior factors introduced in this study explain 34% of individuals' speculative behavior. The findings provide important implications to Capital Market Authority in Saudi to develop appropriate programs and strategies to help market participants to make better and wiser buying decisions that can aggregate to increase market efficiency rather than just to speculate on the price movement of the stock market.

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Section: Results Of the Estimated Pls Structural Modelsupporting

confidence: 92%

Section: Confirmationmentioning

confidence: 99%

Behavioral Finance And Speculative Behavior Of Investors: Evidence From Saudi Stock Market

Alsedrah¹

2018

The European Proceedings of Social and Behavioural Sciences

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show abstract

“…El efecto de un mensaje puede ser despreciable en el caso de que no consiga actualizar las actitudes ya existentes. Este es un problema que en el seno de la psicología se ha trabajado como el sesgo de opinión (confi rmatory bias) que sugiere que la mayoría de los individuos no utilizan la nueva información para revisar sus creencias, sino que interpretan esa información a partir de las viejas creencias (Kosnik, 2008). Unos años después, Druckman y Nelson (2003) relativizaron aún más los efectos de los mensajes de la élite política, demostrando experimentalmente que las conversaciones entre los participantes podían disminuir la infl uencia de los framing.…”

Section: De Los Participantes En La Deliberación?unclassified

“…Justo después de la deliberación los cambios a los que asistimos son muy notables, pero seis meses después dichos cambios se relativizan. Una tesis de trabajo habitual dentro de la psicología es el denominado sesgo de opinión (Kosnik, 2008), que ya vimos cómo la ciencia política lo había analizado dentro del estudio de los efectos de los mensajes políticos (framing effects). Aceptar esta tesis tiene consecuencias cruciales para la deliberación porque, en última instancia, vendría a defender que los individuos registran la nueva información solo para re-pensar las alternativas existentes, pero no para modifi car sus creencias.…”

Section: La Encuesta Deliberativa Y La Red Actitudinalunclassified

¿Cambian sus preferencias los participantes en la deliberación?

Ganuza¹,

García²,

Lafuente³

et al. 2024

REIS

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Los determinantes de la satisfacción con las políticas de bienestar del Estado autonómico Carolina Galais Edad, cohortes o período. Desenredando las causas del desinterés político en España Ernesto Ganuza, Francisco Francés, Regina Lafuente y Fernando Garrido ¿Cambian sus preferencias los participantes en la deliberación? Manuel García Docampo y Raimundo Otero Enríquez Transición territorial: modelo teórico y contraste con el caso español Antón R. Castromil Negativismo mediático y campaña electoral en las Elecciones Generales de 2008 Estela Díaz Carmona Perfil del vegano/a activista de liberación animal en España

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“…Speaking with friends normalised excessive weight gain during pregnancy. The information relating to drinking caffeinated tea that she had received via her family culture is an example of confirmatory bias (Kosnik, 2007) (affirming what she would like to do -drink caffeinated tea).…”

Section: There's Help and There's 'Help'mentioning

confidence: 99%

Investigating weight-related lifestyle choices in pregnant women who are overweight

Smith¹

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There are serious health implications associated with pregnant women being overweight (BMI 25-29kg/m 2) (Lewis, 2007). Despite 'overweight/obesity' in pregnancy being highlighted in key government documents and research, the predominant focus is often on obesity (BMI ≥ 30kg/m 2). Women who are overweight (WO) tend to exceed the IOM weight gain guidelines (Phelan et al., 2011), compared to normal weight or obese women. Therefore, understanding the issues influencing dietary and physical activity choices for WO is crucial. Maternity staff can potentially influence behaviour change, so their experiences of providing support to WO, and the advice they provide to them was explored. 3 Candidate's Statement I declare that the work in this thesis was carried out in accordance with the regulations of the Sheffield Hallam University and is original except where indicated by the specific reference in the text. No part of the thesis has been submitted as part of any other academic award. The thesis has not been presented to any other education institution in the United Kingdom or overseas. Any views expressed in the thesis are those of the author and in no way represent those of the University.

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Refusing to budge: a confirmatory bias in decision making?

Abstract: Confirmatory bias, Rationality, Judgment, Heuristics, Tax policy,

Cited by 14 publications

References 50 publications

Behavioral Finance And Speculative Behavior Of Investors: Evidence From Saudi Stock Market

Behavioral Finance And Speculative Behavior Of Investors: Evidence From Saudi Stock Market

¿Cambian sus preferencias los participantes en la deliberación?

Investigating weight-related lifestyle choices in pregnant women who are overweight

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