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Gregory R. Lockhead

Professor Emeritus of Psychological and Brain Sciences
Psychology & Neuroscience
Box 90086, Durham, NC 27708-0086
242 Soc-Psych, Durham, NC 27708

Overview


Theoretical issues of cognitive processes (perception and categorization), and measurement issues of psychophysics (vision, audition, judgment, context), as they relate to questions about identification and classification (e.g., How will I recognize you the next time I see you?).

Current Appointments & Affiliations


Professor Emeritus of Psychological and Brain Sciences · 2006 - Present Psychology & Neuroscience, Trinity College of Arts & Sciences

Recent Publications


Absolute judgments are relative: A reinterpretation of some psychophysical ideas

Journal Article Review of General Psychology · January 1, 2004 A central theoretical assumption in classical psychophysics is that people judge the intensities of stimulus elements; for example, observers directly report the loudness of a tone or the intensity of a shock. A methodological assumption in classical psych ... Full text Cite

Variability is not uniformily bad: The practices of psychologists generate research questions

Journal Article Behavioral and Brain Sciences · January 1, 2001 The practices of economists increase experimental reproducibility relative to those of selected psychologists but should not be universally adopted. Procedures criticized by Hertwig and Ortmann as producing variable data are valuable, instead, for generati ... Full text Cite

Psychologically rational choice: Selection between alternatives in a multiple-equilibrium game

Journal Article Cognitive Systems Research · January 1, 2000 Choice is modeled by game theory through analyses of the structure of a game situation. However, at least some choices, such as those in games that have more than one rational solution, are difficult to address under standard game theory. We investigated c ... Full text Cite
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Recent Grants


On Categorizing Sounds

ResearchPrincipal Investigator · Awarded by Air Force Office of Scientific Research · 1987 - 1990

The Perception of Structure: A Scientific Conference

ConferencePrincipal Investigator · Awarded by Office of Naval Research · 1989 - 1990

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Education, Training & Certifications


Johns Hopkins University · 1965 Ph.D.