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IB

IB Psychology HL - 2026
Understanding Anchoring Bias Using Numerical Estimates (Tversky and Kahneman, 1974)

The research below investigates if System1 thinking gets activated in time restrained conditions leading to the use of heuristics in thinking and decision making. Read the study summary carefully and answer all the questions.

How do I use this resource?

Question 1

a

easy

Mark Scheme

b

easy

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c

easy

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Question 2

2

medium

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Question 3

3

medium

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Study Summary:

Understanding Anchoring Bias Using Numerical Estimates (Tversky and Kahneman, 1974)

Question 1

a

easy

Mark Scheme

b

easy

Mark Scheme

c

easy

Mark Scheme


Question 2

2

medium

Mark Scheme


Question 3

3

medium

Mark Scheme