Mixed Vs Blocked Search: Four Unique Tasks

Part of paid clinical trials in Boston, Massachusetts.

Sponsor
Brigham and Women's Hospital
Study ID
NCT06933693
Status
Recruiting
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Conditions

  • Attention
  • Healthy
  • Vision

Eligibility Criteria

Sex
ALL
Age
18 Years - N/A
Healthy Volunteers
Accepted

Interventions

  • Mixed trials — BEHAVIORAL
    All tasks will be randomly mixed in a single block of 400 trials.
  • Blocked Trials — BEHAVIORAL
    Each search task will be presented in a block of trials.

Study Details

The goal is to look for qualitative differences in visual search behavior when one search is performed many times in a row compared to when multiple search tasks are intermixed. Four search tasks are tested. In the Mixed condition, the four tasks are randomly changed from trial to trial. In the Blocked condition, each task is run as a block of 100 trials.

Key Dates

Start date
Jun 1, 2024
Status verified
Apr 2025
Primary completion
Jun 1, 2029
Completion
Jun 30, 2029

Study Design

Enrollment
40 participants (estimated)
Allocation
RANDOMIZED
Intervention model
SEQUENTIAL
Primary purpose
BASIC_SCIENCE

Arms

  • Experimental: Blocked Trials
    There are four search tasks in this experiment. Each task will be presented in a separate block of 100 trials
  • Experimental: Mixed Trials
    There are four search tasks in this experiment. All tasks will be randomly mixed in a single block of 400 trials.

Primary Outcome Measure

Response Time (RT) [ Time Frame: Through study completion, an average of one year ]

Central Contacts

Locations (1)

FacilityCityStateZIPSite coordinators
Brigham & Women's HospitalBostonMassachusetts02116
Cailey Tennyson, BA
[email protected]
617-525-3681
Jeremy M Wolfe, PhD
[email protected]
617-851-1166
Jeremy M Wolfe, PhD (PRINCIPAL_INVESTIGATOR)

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