Report 3

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Data Sources

The rating data are from the Psychological Science Accelerator project: To Which World Regions Does the Valence-Dominance Model of Social Perception Apply? (Jones et al. 2021).

The face stimuli are from Ma, Correll, and Wittenbrink (2015). While the original image set refers to “target self-identified race (A = asian; B = black; L = latinx; W = white)”, we will rename this variable to “ethnicity” and refer to it as such throughout the report.

The 120 faces were rated on a 1-9 scale for 13 different characteristics: “aggressive”, “attractive”, “caring”, “confident”, “dominant”, “emostable”, “intelligent”, “mean”, “responsible”, “sociable”, “trustworthy”, “unhappy”, and “weird”. Data are presented for average ratings in each of 11 world regions.

Trustworthiness

Table 1 shows mean trustworthiness ratings by world region, while Table 2 breaks this down by face gender.

Table 1: Mean trustworthiness ratings by region
Region Trust
Africa 5.31
Asia 5.17
Australia & New Zealand 5.01
Central America & Mexico 5.47
Eastern Europe 4.84
Middle East 4.89
Scandinavia 5.17
South America 5.12
UK 5.20
USA & Canada 5.20
Western Europe 5.24
Table 2: Mean trustworthiness ratings by gender and region
Region Female Male
Africa 5.53 5.10
Asia 5.27 5.06
Australia & New Zealand 5.26 4.77
Central America & Mexico 5.59 5.34
Eastern Europe 5.07 4.61
Middle East 4.96 4.81
Scandinavia 5.35 4.99
South America 5.33 4.90
UK 5.50 4.90
USA & Canada 5.38 5.01
Western Europe 5.44 5.04

Factors

Factor analysis revealed two factors, labelled “valence” and “dominance”. The four characteristics that correlated best with valence were trustworthy, emotionally stable, responsible, and sociable. The four characteristics that correlated best with dominance were dominant, aggressive, mean, and confident.

Figure 1 shows the distribution of mean ratings for the dominance-related characteristics

Figure 1: The distribution of ratings for valanece and dominance related characteristics in the European regions

Original Insight

Create a plot (Figure 2) that shows the relationship between face age and the valence and dominance-related characteristics. Create valence and dominance scores by averaging the 4 ratings for each and plot those against age. You can choose to break down your visualisation by face gender, ethnicity, and/or world region. Make sure to describe the plot clearly here and in a brief caption.

Figure 2: Add an appropriate caption

References

Jones, Benedict C, Lisa M DeBruine, Jessica K Flake, Marco Tullio Liuzza, Jan Antfolk, Nwadiogo C Arinze, Izuchukwu LG Ndukaihe, et al. 2021. “To Which World Regions Does the Valence–Dominance Model of Social Perception Apply?” Nature Human Behaviour 5 (1): 159–69.
Ma, Debbie S, Joshua Correll, and Bernd Wittenbrink. 2015. “The Chicago Face Database: A Free Stimulus Set of Faces and Norming Data.” Behavior Research Methods 47: 1122–35.