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Eye-Tracking and Translation Studies

Presentation about the applications of eye-tracking in Translation Studies. Template taken from Social Media by Doris Garía http://prezi.com/titdzvwjcdxd/social-media/
by

David Orrego Carmona

on 30 January 2017

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Transcript of Eye-Tracking and Translation Studies

Eye-tracking metrics
Experiment design remarks
The eye and
the mind
Triangulation
Applications of
Eye-Tracking in Translation Studies

David Orrego-Carmona
Tobii
SMI
Eyelink
Equipment
What is eye-tracking?
Analysis of temporal data
Type of material to be analyzed

Stimuli duration

Number of participants

Accuracy

Fixations
Saccades
Fixation order
Time to first fixation
Most fixations
Gaze time
Pupil diameter
Eye-tracking and Translation Studies
The lab
Ecological validity
Transportation problems
Computer requirements
Lighting
Chair
Noise-canceling strategies
Participants' conditions
Intercultural Studies Group
Universitat Rovira i Virgili

SSLMIT - Università degli studi di Trieste
Trieste, 2014

Eye-mind hypothesis:


"There is no appreciable [time] lag between what is fixated and what is processed".
Just and Carpenter (1980)
"The process of recording the gaze of a person and the movement of the eyes from one point to another"

Saldanha and O'Brien (2013)
How does it work?
Near-infrared diodes generate reflection patterns on the corneas of the eyes of the user.

The reflection patterns are, together with other visual information about the person, collected by image sensors.

Image analysis and mathematics are used to calculate a gaze point on the screen.


Fixations and
saccades
Fixation Order
Time to first fixation
Fixation count
Observation length
Glasses
Contact lenses
Caffeine or other stimulants
Make-up
Consider a 20%-25% data loss
Pilot study
Fine tuning
Analysis
Experiment
Validation
Preparation
Run a pilot study with participants who fulfill the profile defined for the experiment
Use the results from the pilot study to ensure the validity of the instruments, materials and tools.
Pay attention to any technical or procedural problem that could affect the main experiment.
Recruit the participants for the main experiment and collect the data.
Back up you data after each participant, if possible. If not, do it at least daily.
Data elicitation: define what is important for you
Select the software that is better for your purposes
Prepare the experiment...
material
questionnaire or interview
data collection tools
analysis of the data collected
Ask somebody to...
answer the questionnaires
revise the material that will be used
comment on any doubt that may arise

How do translators translate?

cognitive effort and translation technology (O'Brien, Doherty)
different types of reading tasks (Jakobsen, Jensen, Alves)
processing effort in translation directionality (Chang)
uncertainty management (Angelone)

How do users read translations?

processing effort in subtitled material (Perego et al.)
processing effort with surtitles/glosses (Caffrey, Ramos-Pinto)
innovative subtitling (Fox, Secară)
accessibility (Romero-Fresco, Miquel-Iriate, Arnáiz Uzquiza)
Reading test - baseline
Subtitling study
Translation Memory
(From Teixeira)
Innovative subtitling
Questionnaires
Interviews
Think-Aloud Protocols
Facial coding
Keystrokes/mouse clicks

Galvanic skin response
Heart rate measures
EEG
fMRI
Macro-level: total task duration

Micro-level: segments of the recording or AOIs
Eye Scanpath Explorer
Tobii Studio
Analysis of attentional data
Fixation counts
Active/inactive AOIs
Attention shifts
Gaze replay
Eye Scanpath Explorer
Tobii Studio
Analysis of data to see cognitive effort
Pupil diameter
Exact measurements (latency)


Statistical analysis:
Anovas
Linear mixed effects modelling
Data elicitation
Defining what is
important is key!

Use heatmaps and
gaze replays
Areas of Interests (AOIs)
Static
Dynamic
Dynamic and user-dependent
(From Fox)
Questions?
Full transcript