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Literature DB >> 17385983

Application of the diffusion model to two-choice tasks for adults 75-90 years old.

Roger Ratcliff¹, Anjali Thapar, Gail McKoon.

Abstract

The effects of aging on simple 2-choice decision making was investigated with the diffusion model (R. Ratcliff, 1978). Data for 75- to 90-year-olds were collected and compared with previous data from 60- to 75-year-olds and college students for 5 tasks: a signal detection-like task, letter and brightness discrimination with masking, recognition memory, and lexical decision. The model fit the data well and therefore allows components of processing to be examined as a function of age. Compared with decision-making processes in college students, decision criteria and nondecision components of processing increased with participants' age. However, the quality of the evidence on which decisions were based decreased with age only for letter and brightness discrimination. ((c) 2007 APA, all rights reserved).

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Year: 2007 PMID： 17385983 PMCID： PMC2398682 DOI： 10.1037/0882-7974.22.1.56

Source DB: PubMed Journal: Psychol Aging ISSN： 0882-7974

25 in total

Application of the diffusion model to two-choice tasks for adults 75-90 years old.

1. "Mini-mental state". A practical method for grading the cognitive state of patients for the clinician.

2. A diffusion model analysis of the effects of aging on letter discrimination.

3. Plasticity of memory for new learning in very old age: a story of major loss?

4. A diffusion model analysis of the effects of aging on brightness discrimination.

5. On the locus of speed-accuracy trade-off in reaction time: inferences from the lateralized readiness potential.

6. A diffusion model analysis of the effects of aging in the lexical-decision task.

7. A comparison of sequential sampling models for two-choice reaction time.

8. Adult age differences in word and nonsense syllable recognition memory and response criterion.

9. Age differences in recognition memory.

10. Memory storage and aging.

1. Effects of aging in a task-switch paradigm with the diffusion decision model.

2. Aging and confidence judgments in item recognition.

3. On the interpretation of removable interactions: a survey of the field 33 years after Loftus.

4. The EZ diffusion method: too EZ?

5. Stopping ability in younger and older adults: Behavioral and event-related potential.

6. Some task demands induce collapsing bounds: Evidence from a behavioral analysis.

7. Aging and Predicting Inferences: A Diffusion Model Analysis.

8. Modeling aging effects on two-choice tasks: response signal and response time data.

Review 9. Diffusion Decision Model: Current Issues and History.

10. Individual differences, aging, and IQ in two-choice tasks.