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. 2020 Dec 22;15(12):e0243821. doi: 10.1371/journal.pone.0243821

Table 1. Summary of results.

Study Prediction of Interest Study Design Key Result Quoted Text with Result Result
1a “…we begin by examining whether lay individuals infer the prototypicality of members of groups from knowledge of the extent to which a member is respected by other ingroup members… 2 (respected vs. disrespected) x 2 (voluntary vs. compulsory group) Simple Effect “There was a statistically significant and large effect of target on inferred prototypicality, F (1, 76) = 44.83, p < .001, g = 1.52. Participants inferred higher prototypicality of the target when the target was framed as a respected member of his group (M = 4.78, SD = 1.35) rather than a disrespected member of his group (M = 2.80, SD = 1.26).” F (1, 76) = 44.83
1b “…and infer intragroup respect of members of groups from knowledge of how prototypical a group member is…” 2 (prototypical vs. non-prototypical) x 2 (voluntary vs. compulsory group) Simple Effect “There was a statistically significant and large effect of target on respect ratings, F (1, 74) = 40.69, p < .001, g = 1.46. Participants inferred the target to be more respected when the target was framed as a prototypical member of his group (M = 5.28, SD = 1.12) rather than an unprototypical member of his group (M = 3.74, SD = .99).” F (1, 74) = 40.69
2a “…inferences about prototypicality from intragroup respect…should be stronger within highly cohesive versus incohesive groups.” 2 (respected vs. disrespected) x 2 (cohesive vs. incohesive) (attenuated interaction) Two-way interaction “…an interaction between target respect and group cohesion, F (1, 122) = 4.43, p = .04. Participants expected the target to be more prototypical when the target was framed as a respected member of his group (M = 3.41, SD = .56) rather than a disrespected member of his group (M = 2.44, SD = .56), g = 1.73. This effect was larger when the group was framed as cohesive (g = 2.41) than when the group was framed as incohesive (g = 1.27).” F (1, 122) = 4.43
2b “…inferences about…intragroup respect from prototypicality should be stronger within highly cohesive versus incohesive groups.” 2 (prototypical vs. non-prototypical) x 2 (cohesive vs. incohesive) (attenuated interaction) Two-way interaction “…an interaction between target prototypicality and group cohesion, F (1, 124) = 9.03, p = .003. Only in the cohesive group condition did participants infer the target to be more respected when the target was framed as a prototypical member of his group (M = 3.59, SD = .47) rather than an unprototypical member of his group (M = 3.03, SD = .47), g = 1.19, t (60) = 4.65, p < .001. In the incohesive group condition, target prototypicality did not alter inferences about intragroup respect of the target, t (64) = .41, p = .69.” F (1, 124) = 9.03
2c “…inferences about prototypicality from intragroup respect…should be stronger within highly cohesive versus incohesive groups.” 2 (respected vs. disrespected) x 2 (cohesive vs. incohesive) (attenuated interaction) Two-way interaction “an interaction between target respect and group cohesion, F (1, 418) = 17.46, p < .001. Participants expected the target to be more prototypical when the target was framed as a respected member of his group (M = 3.32, SD = .69) rather than a disrespected member of his group (M = 2.65, SD = .71), g = 0.96. This effect was larger when the group was framed as cohesive (g = 1.30) than when the group was framed as incohesive (g = .61).” F (1, 418) = 17.46
2d “…inferences about…intragroup respect from prototypicality should be stronger within highly cohesive versus incohesive groups.” 2 (prototypical vs. non-prototypical) x 2 (cohesive vs. incohesive) (attenuated interaction) Two-way interaction “These main effects were not qualified by an interaction, F (1, 423) = 0.035, p = .85.” F (1, 423) = 0.035
3 “…examining whether individuals make inferences about group cohesiveness based upon the perceived relationship between respect and prototypicality, which is postulated under our theoretical balance triangle depicted in Fig 1.” 3-cell (positive correlation, no correlation, negative correlation) Positive vs. No correlation “Group A was seen as significantly more cohesive in the positive condition (M = 4.25, SD = .84) compared to the neutral condition (M = 3.64, SD = .99), t (44) = 2.21, p = .03, g = .66.” t (44) = 2.21
4a “In Study 4 we conducted a replication of Study 3 with an increased sample size. Because of the ambiguity in making inferences of group cohesion in the negative condition in Study 3, in Study 4 we chose to focus on the positive condition, which clearly reflects the case of perceptual harmony.” 2-cell (positive vs. no correlation) Difference of means “Results revealed that participants in the positive condition (n = 55) inferred greater group cohesion (M = 4.48, SD = .73) than participants in the neutral condition (n = 57, M = 3.97, SD = .96), t (110) = 3.14, p = .002, g = .60.” t (110) = 3.14
4b “In Study 4b we conducted a high-powered and preregistered replication of Study 4a.” 2-cell (positive vs. no correlation) Difference of means “Results revealed that participants in the positive condition (n = 108) inferred greater group cohesion (M = 5.29, SD = .82) than participants in the neutral condition (n = 105, M = 4.94, SD = 1.17), t (210) = 2.58, p = .01, g = 0.35.” t (210) = 2.58