8/
Huge thanks to everyone who made this project possible 🙏
We look forward to seeing more theory-refining research on social class and inequality with diverse samples.
#SocialPsychology #SocialClass #Replication #OpenScience #PsychScience

7/
So what do we conclude?
Our findings challenge a core assumption in social class psychology:
Rather than being more self-focused, individuals from higher social classes appear to have enough resources to be oriented toward both self and others.

6/
Hypotheses based on broad contrasts—e.g., higher-class = self-focused vs. lower-class = other-focused—replicated less reliably.
The “self vs. other orientation” model needs adjusting.

5/
We explored what kinds of hypotheses were most likely to replicate.
✅ The strongest support was for those grounded in how social class shapes people’s experiences of constraints, uncertainty, and status.

4/
Some surprises:
📉 When an effect replicated in one country, it often did so in others
😮 Higher-class individuals reacted positively to reduced individuation (i.e., making them feel less unique)
🤝 Little evidence they are less prosocial or more unethical

3/
🔍 Key findings:
✅ ~50% of effects replicated
✅ Results were consistent across different social class measures
✅ Effects were often stronger for those who:
  • identify more with their class
  • justify the social system
  • live in more unequal areas

2/
We replicated 22 theoretically-relevant studies (17 correlational, 5 experimental) across the US, France, Switzerland, and India (N = 33,536).
We tested 35 hypotheses spanning:
🧠 Self-concept
🫂 Relationships
💭 Cognition
💬 Emotion
🎯 Behaviour
🧮 Decision-making

6/
Hypotheses based on broad contrasts—e.g., higher-class = self-focused vs. lower-class = other-focused—replicated less reliably.
The “self vs. other orientation” model needs adjusting.

Thanks for the shout-out!

6/
Hypotheses based on broad contrasts—e.g., higher-class = self-focused vs. lower-class = other-focused—replicated less reliably.
The “self vs. other orientation” model needs adjusting.

5/
We explored what kinds of hypotheses were most likely to replicate.
✅ The strongest support was for those grounded in how social class shapes people’s experiences of constraints, uncertainty, and status.

4/
Some other surprises:
📉 When an effect replicated in one country, it often did so in others
😮 Higher-class individuals reacted positively to reduced individuation (i.e., to be made to feel less unique)
🤝 Little evidence they are less prosocial or more unethical

3/
🔍 Key findings:
✅ ~50% of effects replicated
✅ Results were consistent across different social class measures (surprinsingly)
✅ Effects were often stronger for those who:
  • identify more with their class
  • justify the social system
  • live in more unequal areas

2/
We replicated 22 theoretically-relevant studies (17 correlational, 5 experimental) across the US, France, Switzerland, and India (N = 33,536).
We tested 35 hypotheses spanning:
🧠 Self-concept
🫂 Relationships
💭 Cognition
💬 Emotion
🎯 Behaviour
🧮 Decision-making