User profiles for Neil Stewart

Neil Stewart

Professor of Behavioural Science, Warwick Business School, University of Warwick
Verified email at wbs.ac.uk
Cited by 8825

Decision by sampling

N Stewart, N Chater, GDA Brown - Cognitive psychology, 2006 - Elsevier
We present a theory of decision by sampling (DbS) in which, in contrast with traditional models,
there are no underlying psychoeconomic scales. Instead, we assume that an attribute’s …

Prospect relativity: how choice options influence decision under risk.

N Stewart, N Chater, HP Stott… - Journal of Experimental …, 2003 - psycnet.apa.org
In many theories of decision under risk (eg, expected utility theory, rank-dependent utility
theory, and prospect theory), the utility of a prospect is independent of other options in the …

[BOOK][B] The gravity model in transportation analysis: theory and extensions

S Erlander, NF Stewart - 1990 - books.google.com
At the end of the 1970s we were curious to find out from exactly which assumptions various
transportation models could be derived, and to establish the fundamental relationships …

A social-cognitive model of trait and state levels of gratitude.

AM Wood, J Maltby, N Stewart, PA Linley, S Joseph - Emotion, 2008 - psycnet.apa.org
Three studies tested a new model of gratitude, which specified the generative mechanisms
linking individual differences (trait gratitude) and objective situations with the amount of …

Associations between a one-shot delay discounting measure and age, income, education and real-world impulsive behavior

S Reimers, EA Maylor, N Stewart, N Chater - Personality and individual …, 2009 - Elsevier
There has been discussion over the extent to which delay discounting – as prototypically
shown by a preference for a smaller-sooner sum of money over a larger-later sum – measures …

Absolute identification by relative judgment.

N Stewart, GDA Brown, N Chater - Psychological review, 2005 - psycnet.apa.org
In unidimensional absolute identification tasks, participants identify stimuli that vary along a
single dimension. Performance is surprisingly poor compared with discrimination of the …

The average laboratory samples a population of 7,300 Amazon Mechanical Turk workers

N Stewart, C Ungemach, AJL Harris… - … and Decision making, 2015 - cambridge.org
Using capture-recapture analysis we estimate the effective size of the active Amazon Mechanical
Turk (MTurk) population that a typical laboratory can access to be about 7,300 workers. …

Conceptualizing gratitude and appreciation as a unitary personality trait

AM Wood, J Maltby, N Stewart, S Joseph - Personality and individual …, 2008 - Elsevier
Gratitude and appreciation are currently measured using three self-report instruments, the
GQ6 (1 scale), the Appreciation Scale (8 scales), and the GRAT (3 scales). Two studies were …

Does the brain calculate value?

I Vlaev, N Chater, N Stewart, GDA Brown - Trends in cognitive sciences, 2011 - cell.com
How do people choose between options? At one extreme, the ‘value-first' view is that the brain
computes the value of different options and simply favours options with higher values. An …

Are probabilities overweighted or underweighted when rare outcomes are experienced (rarely)?

C Ungemach, N Chater, N Stewart - Psychological Science, 2009 - journals.sagepub.com
When making decisions involving risky outcomes on the basis of verbal descriptions of the
outcomes and their associated probabilities, people behave as if they overweight small …