Improving Search Strategy for Identifying Urgent Conditions on the Chest X-ray

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

PHASE3

Total Enrollment

40 participants

Study Classification

INTERVENTIONAL

Study Start Date

2013-06-30

Study Completion Date

2013-08-31

Brief Summary

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Currently, teaching X-ray interpretation to medical students is not standardized, and is generally not very effective.

Objective: The goal of our study is to evaluate whether directly teaching an expert search strategy for x-ray interpretation to 3d year medical students is effective.

Methods:

* An expert's visual search strategy was recorded using a gaze-tracking device. The search strategy was then reproduced using a dynamic cursor moving across the corresponding chest x-ray, and incorporated into a teaching program accessible via the internet.
* Participants are 3rd year medical students who will be randomized into two groups. The experimental group will have access to the teaching program as described. The control group will have access to the same x-rays but not the expert's search strategy.
* At the end of the study period the investigators will collect performance data (the participants' accuracy at reading a series of chest x-rays) and process data (using gaze-tracking to evaluate the participants' search strategies); the experimental and control groups will be compared.

Expected results:

The investigators expect the group trained in expert search strategy to show improved accuracy at reading chest x-rays, and an improvement in their visual search strategy

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Detailed Description

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Conditions

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Using Expert Visual Search Strategy to Train Students to Read the Chest X-ray

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Blinding Strategy

SINGLE

Investigators

Study Groups

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trained visual search strategy

An expert's visual search strategy for reading the chest x-ray was recorded using a gaze tracking device. This strategy was reproduced using a dynamic cursor and will be made available to participants in the experimental group using an interactive website.

Group Type EXPERIMENTAL

training in visual search strategy

Intervention Type OTHER

not trained in visual search strategy

Participants will learn to read chest x-rays by having access to a library of chest x-rays identical to the one used by the experimental arm, but without the search strategy.

Group Type ACTIVE_COMPARATOR