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Modeling the effects of fluoxetine on food-reinforced behavior (with Federico Sanabria, Jazmin I. Acosta, Peter R. Killeen, and Janet L. Niesewander), Behavioural Pharmacology (2008)
We propose a novel method to dissociate incentive motivation from memory and motor processes in...
DTkid: interactive simulation software for training tutors of children with autism (with Tom Randell, Martin Hall, and Bob Remington), Journal of Autism and Developmental Disorders (2007)
Discrete-trial training (DTT) relies critically on implementation by trained tutors. We report three experiments carried...
Scalar timing: a test of two timing models with humans, 34th Australasian Experimental Psychology Conference (2007)
Temporal generalization and peak shift in humans (with Claire V. McMahon), Learning and Behavior (2007)
Three experiments investigated temporal generalization in humans. In Experiment 1, a peak shift effect was...
Aggressive behaviour in dogs, the role of learning (with Ed Redhead and Anne McBride), 32nd Annual Convention of the Association for Behavior Analysis (2006)
Aggressive behaviour in dogs has become a major topic of scientific research in Northern Europe...
Animal behaviour therapy: the mis-understood application of ABA (with Anne McBride and Ed Redhead), 32nd Annual Convention of the Association for Behavior Analysis (2006)
Animal Behaviour Therapy is an expanding applied area that is rapidly gaining recognition as a...
Dopamine agonists and antagonists can produce an attenuation of response bias in a temporal discrimination task depending on discriminability of target duration (with David N. Harper and Heather Peters), Behavioural Processes (2006)
The current study examined the effects of the D2 agonist (quinpirole) and D2 antagonist (eticlopride)...
Erroneous beliefs among frequent fruit-machine gamblers (with Carla-Jane R. Strickland, Annie Taylor, Katie J. Hendon, and Steve Provost), Gambling Research: Journal of the National Association for Gambling Studies (Australia) (2006)
The present studies investigated the extent to which fruit-machine gamblers held erroneous beliefs, specifically the...
Erroneous beliefs among frequent fruit-machine gamblers (Presentation) (with Carla-Jane R. Strickland, Annie Taylor, Katie J. Hendon, and Steve Provost), 16th Annual Conference of the National Association of Gambling Studies (2006)
The present studies investigated the extent to which fruit-machine gamblers held erroneous beliefs, specifically the...
Team-skills training enhances collaborative learning (with Jane S. Pritchard and Robert J. Stratford), Learning and Instruction (2006)
This study investigated the effects of team-skills training on collaborative learning in a university setting....
The educational impact of team skills training: preparing students to work in groups (with Jane S. Prichard and Robert J. Stratford), British Journal of Educational Psychology (2006)
Despite a vast literature on collaborative learning (CL), there is little research on preparing students...
The failure of Weber's law in time perception and production (with Josey YM Chu, Federico Sanabria, and Peter R. Killeen), Behavioural Processes (2006)
Weber's law – constancy of the coefficient of variation – is an apparently ubiquitous feature...
Influences of self-efficacy, outcome expectations, mood and aversive feedback on simulated physiotherapy performance (with Imogen Tijou and Lucy Yardley), British Psychological Society, Division of Health Psychology Annual Conference (2005)
The literature suggests self-efficacy (SE), outcome expectations (OE), mood and pain are important in physiotherapy...
Use of an ESP cover story facilitates reinforcement without awareness (with Nicola Sweeney), The Psychological Record (2005)
Participants were exposed to 3 conditions in a betweengroups design. Participants were told the experiment...
Influence of beliefs, mood and aversive feedback on adherence to a physiotherapy simulation (with Imogen Tijou and Lucy Yardley), British Psychological Society, Division of Health Psychology Annual Conference (2004)
This pilot study aimed to assess the contribution of self-efficacy (SE) and outcome expectations (OE;...
Specific praise improves on-task behaviour and numeracy enjoyment: a study of year 4 pupils engaged in the numeracy hour (with Karen Chalk), Educational Psychology in Practice (2004)
The effects of praise on student on-task behaviour, academic self-concept and numeracy enjoyment were investigated....
Temporal generalisation (with Claire V. McMahon), 31st Australasian Experimental Psychology Conference (2004)
Three experiments investigated temporal generalisation performance with humans. In Experiment 1 a peak shift effect...
Enhancing the performance of collaborative groups through team skills training (with Jane S. Pritchard and Robert J. Stratford), British Psychological Society Centenary Annual Conference (2003)
Objectives: This two phase evaluation investigated whether team-skills training can enhance the effectiveness of collaborative...
Human variable ratio performance (with Bob Remington, Lorraine S. D'Souza, Samantha K. Heighway, and Clara Baston), Learning and Motivation (2002)
The generality of the mathematical principles of reinforcement (MPR) was tested with humans. In Experiment...
Rats don't always respond faster for more food: the paradoxical incentive effect (with Lauren C. Kettle and Peter R. Killeen), Animal Learning & Behavior (2001)
Rats' leverpressing was reinforced on variable-ratio (VR) schedules. As ratio values increased, response rates initially...
A computer simulation paradigm for self-injurious behaviour (with Bob Remington, Richard Hastings, Martin Hall, and T Brown), 11th World Congress of the International Association for the Scientific Study of Intellectual Disabilities (IASSID) (2000)
The aim of the present research was to model the inadvertent social reinforcement processes which...
Mediation of timing accuracy by operant behavior (with David N. Harper), Behavioural Processes (2000)
We attempted to demonstrate that timing performance on a temporal discrimination would be enhanced if...
A clock not wound runs down (with Peter R. Killeen and Scott Hall), Behavioural Processes (1999)
Seven pigeons were trained to respond on one key during the first half of a...
How reinforcement context affects temporal production and categorization (with Jonathan J. Beam, Peter R. Killeen, and J Gregory Fetterman), Animal Learning & Behavior (1998)
The behavioral theory of timing assumes that timing is governed by a pacemaker whose pulses...
Mechanics of reinforcement (with Peter R. Killeen), Meeting of the Society for Quantitative Analyses of Behavior (1998)
A key construct in Killeen’s (1994) mechanics is the short-term memory trace. It is asserted...
Satiation causes within-session decreases in instrumental responding (with Sergei V. Bogdanov and Peter R. Killeen), Journal of Experimental Psychology: Animal Behavior Processes (1998)
The amount of food necessary to cause within-session decreases in response rates was investigated by...
The mechanics of reinforcement (with Peter R. Killeen), Psychonomic Bulletin & Review (1998)
Mathematical principles of reinforcement were developed in order to (1) account for the interaction of...
Models of ratio schedule performance (with Peter R. Killeen), Journal of Experimental Psychology: Animal Behavior Processes (1997)
Predictions of P. R. Killeen's (1994) mathematical principles of reinforcement were tested for responding on...
Time's causes (with Peter R. Killeen and J Gregory Fetterman), Time and behavior: Psychological and Neurobehavioural Analyses (1997)
What is time? St. Augustine knew: “I know what time is”, he said, “but if...
Training with controlled reinforcer density: implications for models of timing (with K Geoffrey White), Journal of Experimental Psychology: Animal Behavior Processes (1997)
Pigeons discriminated between the 1st and 2nd halves of a trial. Trial duration was varied...
Biasing the pacemaker in the behavioral theory of timing (with K Geoffrey White), Journal of the Experimental Analysis of Behavior (1995)
In the behavioral theory of timing, pacemaker rate is determined by overall rate of reinforcement....
Reinforcement context and pacemaker rate in the behavioural theory of timing (with K Geoffrey White), Animal Learning & Behavior (1995)
In the present experiment, an attempt was made to extend the base of evidence for...
Behavioral theory of timing: reinforcement rate determines pacemaker rate (with K Geoffrey White), Journal of the Experimental Analysis of Behavior (1994)
In the behavioral theory of timing, pulses from a hypothetical Poisson pacemaker produce transitions between...
Pacemaker rate in the behavioral theory of timing (with K Geffrey White), Journal of Experimental Psychology: Animal Behavior Processes (1994)
The assumption by the behavioral theory of timing that pacemaker rate is proportional to reinforcer...