PSY

1.

SOCI AL PSYCHOLOGY & GROUP PROCESSES
Stereotypes, Prejudice &
Discrimination
W h y w e j u dge p e o p l e b y h o w t h e y l o o k b e f o r e e v a l u a t i n g w h o t h e y
r e a l l y a r e — a n d h o w c o gn i t i v e b i a s e s dr i v e o u r b e h a v i o r .
W h a t &W h y ?
3 Cognitive Biases
Real Solutions
Origins of modern
social bias
Mental shortcuts in
action
Eviddncd-basdd
conflict rdsolution
Kan Arseniy, Salimzhan Arman
DTNP-2604

2.

The ABCs of Social Bias & Key Questions
1. Stereotypes (Cognition)
2. Discrimination (Behavior)
3. Prejudice (Affect)
Generalized
beliefs assuming
a group label fits
everyone.
U n f a ir a c t io n s
a dv a n t a gi n g o r
di s a dv a n t a gi n g
s p e c i fi c gr o u p s .
Em o t i o n a l
re s e n tm e n t
di r e c t e d a t
s o m e o n e du e t o
gr o u p i de n t i t y .
Bias: Representativeness Heuristic Bi a s :
- gr o u p Bi a s
Bias: Confirmation Bias

3.

Stereotypes & Representativeness Heuristic
What is a Stereotype?
Bi a s e d t h o u gh t s a s s u m i n g a c a t e go r y l a b e l a c c u r a t e l y de s c r i b e s a n
i n di v i du a l . Ex a m p l e : f o r e i gn e r s t h i n ki n g Su s s i a n s o n l y dr i n k v o dka
a n d r i de b e a r s — w h i c h i s c o m p l e t e l y f a l s e !
Bias: Representativeness Heuristic
De fi n i t i o n : Lu dgi n g s o m e o n e 's c a p a b i l i t y b y h o w c l o s e l y t h e y m a t c h
a m e n t a l p r o t o t y p e r a t h e r t h a n r e a l s ki l l s (Uh e De c i s i o n L a b , 20 26 ).
Ue a m I m p a c t : Se c r u i t e r s r e j e c t gr e a t e n gi n e e r s o r l e a de r s s i m p l y
b e c a u s e t h e y do n 't "l o o k t h e p a r t ."
Expectation vs. Reality: Cultural prototypes distort judgment

4.

How to Overcome Cultural Stereotypes (3 Stages)
Stage 1
S t a ge 2
Stage 3
Motivational Stage
Educational Stage
Practical Stage
En ga ge p e o p l e i n a c t i v e l y e x p l o r i n g
o t h e r c u l t u r e s t o s p a rk c u r i o s i t y a n d
s h if t p r e c o n c e iv e d n o t io n s .
P r o v i de s t r u c t u r e d a c t i v i t i e s t h a t
b u i l d c r i t i c a l t h i n ki n g t o r e c o gn i z e
h i dde n a s s u m p t i o n s a n d t e s t t h e m .
Assign real-world collaborative tasks
where teams practice dismantling
stereotypes in daily communication.
Source Evidence: European Proceedings of Social and Behavioural Sciences (EpSBS, 2020) — Overcoming cultural
stereotypes in the educational process.

5.

Discrimination & In-group Bias in Hiring
Behavioral Bias & In-group Favoritism
A b o s s r e f u s e s t o h i r e Bl a c k a p p l i c a n t s du e t o f a l s e s t e r e o t y p e s .
Dr i v e n b y
- gr o u p Bi a s : t r u s t i n g a n d f a v o r i n g o n e 's o w n gr o u p o v e r
o u t s i de r s .
-50
"W e w a n t s o m e o n e j u s t l ike u s ! " —
- gr o u p f a v o r i t i s m
in a c t io n
Bertrand & Mullainathan (2004): Identical resumes
with Black-sounding names received 50% fewer
callbacks than White-sounding names.
How to Overcome (Pettigrew & Tropp, 2006)
Meta-analysis of 500+ studies: organize intergroup contact with
shared goals, equal status, and leadership support.

6.

Prejudice & Confirmation Bias: The Margaret Case
Emotional Bias: Resenting Older Adults
U n l ike s t e r e o t y p e s (t h o u gh t s ), p r e j u di c e i s e m o t i o n a l . I o l di n g a
n e ga t i v e a t t i t u de t o w a r d a n o l de r c o l l e a gu e n a m e d M a r ga r e t s i m p l y
b e c a u s e o f h e r a ge i s p r e j u di c e (Gi s ke , 20 26 ).
Bias: Confirmation Bias
Definition: Searching for and remembering only details that confirm
preexisting beliefs (The Decision Lab, 2026).
In Action: The team vividly remembers 1 tech mistake made by
Margaret, while ignoring 10 identical errors by younger staff.
S e l e c t i v e m e m o r y l o c ks t e a m s i n t o u n f a i r e m o t i o n a l p r e j u di c e s

7.

Summary: How Biases Impact Group Processes
Social Bias
Decision Lab Bias
Real-World Case
Communication & Resolution
Stereotypes (Thoughts) Representativeness Heuristic
CIS "vodka & bears" myth; judging
engineers by appearance
3 Stages: Motivational, Educational,
Practical (EpSBS, 2020)
Discrimination
(Behavior)
In-group Bias
50% fewer resume callbacks for
minority names
Intergroup contact with equal status &
shared goals
Prejudice (Emotions)
Confirmation Bias
Blaming older colleague Margaret for
1 error vs. 10 youth errors
Objective performance tracking &
open feedback
Key Takeaway: Biases feel automatic, but structured contact and critical thinking break the cycle.

8.

APA 7TH EDITION CITATIONS
References & Supporting Materials
Bertrand, M., & Mullainathan, S. (2004). Are Emily and Greg more employable than Lakisha and Jamal? A field experiment on labor market
discrimination. The American Economic Review, 94(4), 991–1013.
Fiske, S. T. (2026). Prejudice, discrimination, and stereotyping. In R. Biswas-Diener & E. Diener (Eds.), Noba textbook series: Psychology.
https://nobaproject.com/modules/prejudice-discrimination-and-stereotyping
Pettigrew, T. F., & Tropp, L. R. (2006). A meta-analytic test of intergroup contact theory. Journal of Personality and Social Psychology, 90(5),
751–783.
The Decision Lab. (2026). Biases index: A list of the most relevant biases in behavioral economics. https://thedecisionlab.com/biases-index
The European Proceedings of Social and Behavioural Sciences (EpSBS). (2020). Overcoming cultural stereotypes in the educational process.
https://doi.org/10.15405/epsbs.2020.10.03.119
Uh a n k y o u f o r l i s t e n i n g! An y q u e s t i o n s ?
Q A
& S e s s io n