Suchergebnisse
Filter
4 Ergebnisse
Sortierung:
Voting behavior is reflected in amygdala response across cultures
Voting to determine one's leaders is among the most important decisions we make, yet little is known about the brain's role in how we come to these decisions. Behavioral studies have indicated that snap judgments of political candidates' faces can predict election outcomes but that the traits that lead to these judgments differ across cultures. Here we sought to investigate the neural basis for these judgments. American and Japanese natives performed simulated voting judgments of actual American and Japanese political candidates while neural activity was measured using functional magnetic resonance imaging (fMRI). Candidates for whom participants chose to vote elicited stronger responses in the bilateral amygdala than candidates for whom participants chose not to vote. This was true regardless of either the participant's culture or the target's culture, suggesting that these voting decisions provoked the same neural response cross-culturally. In addition, we observed a participant culture by target culture interaction in the bilateral amygdala. American and Japanese participants both showed a stronger response to cultural outgroup faces than they did to cultural ingroup faces, however this was unrelated to their voting decisions. These data provide insight to the mechanisms that underlie our snap judgments of others when making voting decisions and provide a neural correlate to cross-cultural consensus in social inferences.
BASE
Many Labs 2:investigating variation in replicability across samples and settings
In: Klein , R A , Vianello , M , Hasselman , F , Adams , B G , Adams , R B , Alper , S , Aveyard , M , Axt , J R , Babalola , M T , Bahník , Š , Batra , R , Berkics , M , Bernstein , M J , Berry , D R , Bialobrzeska , O , Binan , E D , Bocian , K , Brandt , M J , Busching , R , Rédei , A C , Cai , H , Cambier , F , Cantarero , K , Carmichael , C L , Ceric , F , Chandler , J , Chang , J-H , Chatard , A , Chen , E E , Cheong , W , Cicero , D C , Coen , S , Coleman , J A , Collisson , B , Conway , M A , Corker , K S , Curran , P G , Cushman , F , Dagona , Z K , Dalgar , I , Dalla Rosa , A , Davis , W E , de Bruijn , M , De Schutter , L , Devos , T , de Vries , M , Doğulu , C , Dozo , N , Dukes , K N , Dunham , Y , Durrheim , K , Ebersole , C R , Edlund , J E , Eller , A , English , A S , Finck , C , Frankowska , N , Freyre , M-Á , Friedman , M , Galliani , E M , Gandi , J C , Ghoshal , T , Giessner , S R , Gill , T , Gnambs , T , Gómez , Á , González , R , Graham , J , Grahe , J E , Grahek , I , Green , E G T , Hai , K , Haigh , M , Haines , E L , Hall , M P , Heffernan , M E , Hicks , J A , Houdek , P , Huntsinger , J R , Huynh , H P , IJzerman , H , Inbar , Y , Innes-Ker , Å H , Jiménez-Leal , W , John , M-S , Joy-Gaba , J A , Kamiloğlu , R G , Kappes , H B , Karabati , S , Karick , H , Keller , V N , Kende , A , Kervyn , N , Knežević , G , Kovacs , C , Krueger , L E , Kurapov , G , Kurtz , J , Lakens , D , Lazarević , L B , Levitan , C A , Lewis , N A , Lins , S , Lipsey , N P , Losee , J E , Maassen , E , Maitner , A T , Malingumu , W , Mallett , R K , Marotta , S A , Međedović , J , Mena-Pacheco , F , Milfont , T L , Morris , W L , Murphy , S C , Myachykov , A , Neave , N , Neijenhuijs , K , Nelson , A J , Neto , F , Lee Nichols , A , Ocampo , A , O'Donnell , S L , Oikawa , H , Oikawa , M , Ong , E , Orosz , G , Osowiecka , M , Packard , G , Pérez-Sánchez , R , Petrović , B , Pilati , R , Pinter , B , Podesta , L , Pogge , G , Pollmann , M M H , Rutchick , A M , Saavedra , P , Saeri , A K , Salomon , E , Schmidt , K , Schönbrodt , F D , Sekerdej , M B , Sirlopú , D , Skorinko , J L M , Smith , M A , Smith-Castro , V , Smolders , K C H J , Sobkow , A , Sowden , W , Spachtholz , P , Srivastava , M , Steiner , T G , Stouten , J , Street , C N H , Sundfelt , O K , Szeto , S , Szumowska , E , Tang , A C W , Tanzer , N , Tear , M J , Theriault , J , Thomae , M , Torres , D , Traczyk , J , Tybur , J M , Ujhelyi , A , van Aert , R C M , van Assen , M A L M , van der Hulst , M , van Lange , P A M , van 't Veer , A E , Vásquez- Echeverría , A , Ann Vaughn , L , Vázquez , A , Vega , L D , Verniers , C , Verschoor , M , Voermans , I P J , Vranka , M A , Welch , C , Wichman , A L , Williams , L A , Wood , M , Woodzicka , J A , Wronska , M K , Young , L , Zelenski , J M , Zhijia , Z & Nosek , B A 2018 , ' Many Labs 2 : investigating variation in replicability across samples and settings ' , Advances in Methods and Practices in Psychological Science , vol. 1 , no. 4 , pp. 443-490 . https://doi.org/10.1177/2515245918810225
We conducted preregistered replications of 28 classic and contemporary published findings, with protocols that were peer reviewed in advance, to examine variation in effect magnitudes across samples and settings. Each protocol was administered to approximately half of 125 samples that comprised 15,305 participants from 36 countries and territories. Using the conventional criterion of statistical significance (p <.05), we found that 15 (54%) of the replications provided evidence of a statistically significant effect in the same direction as the original finding. With a strict significance criterion (p <.0001), 14 (50%) of the replications still provided such evidence, a reflection of the extremely high-powered design. Seven (25%) of the replications yielded effect sizes larger than the original ones, and 21 (75%) yielded effect sizes smaller than the original ones. The median comparable Cohen?s ds were 0.60 for the original findings and 0.15 for the replications. The effect sizes were small (<0.20) in 16 of the replications (57%), and 9 effects (32%) were in the direction opposite the direction of the original effect. Across settings, the Q statistic indicated significant heterogeneity in 11 (39%) of the replication effects, and most of those were among the findings with the largest overall effect sizes; only 1 effect that was near zero in the aggregate showed significant heterogeneity according to this measure. Only 1 effect had a tau value greater than .20, an indication of moderate heterogeneity. Eight others had tau values near or slightly above .10, an indication of slight heterogeneity. Moderation tests indicated that very little heterogeneity was attributable to the order in which the tasks were performed or whether the tasks were administered in lab versus online. Exploratory comparisons revealed little heterogeneity between Western, educated, industrialized, rich, and democratic (WEIRD) cultures and less WEIRD cultures (i.e., cultures with relatively high and low WEIRDness scores, respectively). ...
BASE
Many Labs 2: Investigating Variation in Replicability Across Samples and Settings
In: Klein , R A , Vianello , M , Hasselman , F , Adams , B G , Adams , R B , Alper , S , Aveyard , M , Axt , J R , Babalola , M T , Bahník , Š , Batra , R , Berkics , M , Bernstein , M J , Berry , D R , Bialobrzeska , O , Binan , E D , Bocian , K , Brandt , M J , Busching , R , Rédei , A C , Cai , H , Cambier , F , Cantarero , K , Carmichael , C L , Ceric , F , Chandler , J , Chang , J-H , Chatard , A , Chen , E E , Cheong , W , Cicero , D C , Coen , S , Coleman , J A , Collisson , B , Conway , M A , Corker , K S , Curran , P G , Cushman , F , Dagona , Z K , Dalgar , I , Dalla Rosa , A , Davis , W E , de Bruijn , M , De Schutter , L , Devos , T , de Vries , M , Doğulu , C , Dozo , N , Dukes , K N , Dunham , Y , Durrheim , K , Ebersole , C R , Edlund , J E , Eller , A , English , A S , Finck , C , Frankowska , N , Freyre , M , Friedman , M , Galliani , E M , Gandi , J C , Ghoshal , T , Giessner , S R , Gill , T , Gnambs , T , Gómez , Á , González , R , Graham , J , Grahe , J E , Grahek , I , Green , E G T , Hai , K , Haigh , M , Haines , E L , Hall , M P , Heffernan , M E , Hicks , J A , Houdek , P , Huntsinger , J R , Huynh , H P , Ijzerman , H , Inbar , Y , Innes-ker , Å H , Jiménez-leal , W , John , M , Joy-gaba , J A , Kamiloğlu , R G , Kappes , H B , Karabati , S , Karick , H , Keller , V N , Kende , A , Kervyn , N , Knežević , G , Kovacs , C , Krueger , L E , Kurapov , G , Kurtz , J , Lakens , D , Lazarević , L B , Levitan , C A , Lewis , N A , Lins , S , Lipsey , N P , Losee , J E , Maassen , E , Maitner , A T , Malingumu , W , Mallett , R K , Marotta , S A , Međedović , J , Mena-pacheco , F , Milfont , T L , Morris , W L , Murphy , S C , Myachykov , A , Neave , N , Neijenhuijs , K , Nelson , A J , Neto , F , Lee Nichols , A , Ocampo , A , O'donnell , S L , Oikawa , H , Oikawa , M , Ong , E , Orosz , G , Osowiecka , M , Packard , G , Pérez-sánchez , R , Petrović , B , Pilati , R , Pinter , B , Podesta , L , Pogge , G , Pollmann , M M H , Rutchick , A M , Saavedra , P , Saeri , A K , Salomon , E , Schmidt , K , Schönbrodt , F D , Sekerdej , M B , Sirlopú , D , Skorinko , J L M , Smith , M A , Smith-castro , V , Smolders , K C H J , Sobkow , A , Sowden , W , Spachtholz , P , Srivastava , M , Steiner , T G , Stouten , J , Street , C N H , Sundfelt , O K , Szeto , S , Szumowska , E , Tang , A C W , Tanzer , N , Tear , M J , Theriault , J , Thomae , M , Torres , D , Traczyk , J , Tybur , J M , Ujhelyi , A , Van Aert , R C M , Van Assen , M A L M , Van Der Hulst , M , Van Lange , P A M , Van 't Veer , A E , Vásquez- Echeverría , A , Ann Vaughn , L , Vázquez , A , Vega , L D , Verniers , C , Verschoor , M , Voermans , I P J , Vranka , M A , Welch , C , Wichman , A L , Williams , L A , Wood , M , Woodzicka , J A , Wronska , M K , Young , L , Zelenski , J M , Zhijia , Z & Nosek , B A 2018 , ' Many Labs 2: Investigating Variation in Replicability Across Samples and Settings ' , Advances in Methods and Practices in Psychological Science , vol. 1 , no. 4 , pp. 443-490 . https://doi.org/10.1177/2515245918810225
We conducted preregistered replications of 28 classic and contemporary published findings, with protocols that were peer reviewed in advance, to examine variation in effect magnitudes across samples and settings. Each protocol was administered to approximately half of 125 samples that comprised 15,305 participants from 36 countries and territories. Using the conventional criterion of statistical significance (p < .05), we found that 15 (54%) of the replications provided evidence of a statistically significant effect in the same direction as the original finding. With a strict significance criterion (p < .0001), 14 (50%) of the replications still provided such evidence, a reflection of the extremely high-powered design. Seven (25%) of the replications yielded effect sizes larger than the original ones, and 21 (75%) yielded effect sizes smaller than the original ones. The median comparable Cohen's ds were 0.60 for the original findings and 0.15 for the replications. The effect sizes were small (< 0.20) in 16 of the replications (57%), and 9 effects (32%) were in the direction opposite the direction of the original effect. Across settings, the Q statistic indicated significant heterogeneity in 11 (39%) of the replication effects, and most of those were among the findings with the largest overall effect sizes; only 1 effect that was near zero in the aggregate showed significant heterogeneity according to this measure. Only 1 effect had a tau value greater than .20, an indication of moderate heterogeneity. Eight others had tau values near or slightly above .10, an indication of slight heterogeneity. Moderation tests indicated that very little heterogeneity was attributable to the order in which the tasks were performed or whether the tasks were administered in lab versus online. Exploratory comparisons revealed little heterogeneity between Western, educated, industrialized, rich, and democratic (WEIRD) cultures and less WEIRD cultures (i.e., cultures with relatively high and low WEIRDness scores, respectively). Cumulatively, variability in the observed effect sizes was attributable more to the effect being studied than to the sample or setting in which it was studied.
BASE