Linger

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Linger

• A new tool for reading time experiments

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Linger is written by

• Douglas Rohde _at_ MIT
• http//tedlab.mit.edu/dr/

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What is good about Linger

• You can run various reading/listening experiments
  with Linger.
• Masked Self-Paced Reading
• Centered Self-Paced Reading
• Masked Auto-Paced (fixed rate) Reading
• Centered Auto-Paced Reading
• Block Reading
• Listen (to a reader) and Answer
• Auditory Prime Lexical Decision

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What is good about Linger

• If fonts are available, you can run experiments
  in any language you want.
• Today, I will show
• English masked self-paced reading
• Japanese masked self-paced reading
• Hindi Centered Auto-paced reading

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What is good about Linger

• Linger is compatible with
• Mac OS X!!
• Mac OS 9 and also earlier OSs
• Unix
• Windows

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Installation

• At least, you have to install
• Tcl/Tk
• Linger Package

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Installation

• Tcl/Tk
• A programming tool on Unix, Mac and Windows
• For Mac OSX
• http//www.apple.com/downloads/macosx/unix_open_so
  urce/tcltkaqua.html
• For Mac OS 9 or earlier
• http//prdownloads.sourceforge.net/tcl/MacTclTk_8.
  3.5_RuntimeInstl.bin
• For Windows
• http//aspn.activestate.com/ASPN/Downloads/ActiveT
  cl

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Installation

• Linger
• Linger is a program using Tcl/Tk.
• http//tedlab.mit.edu/dr/Linger/linger.tar

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Installation

• A Linger package includes
• Linger tcl Linger
• Lingalyzer An analysis tool
• Lingrapher A tool for creating graphs
• Notifier A tool to notify who is an
  experimenter
• Subjecter A tool for managing subjects
• Utilities Utilities

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Installation

• A Linger package includes
• Linger tcl Linger
• Lingalyzer An analysis tool
• Lingrapher A tool for creating graphs
• Notifier A tool to notify who is an
  experimenter
• Subjecter A tool for managing subjects
• Utilities Utilities

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Installation

• What you should do first
• Install Tcl/Tk
• Download a compressed Linger package, and
  expand it.

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Installation

• If you are using Mac OS X
• Expand "Linger .sit"
• e.g., Using Stuffit Expander
• An Apple script file called "Linger" will be
  available

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Installation

• If you are using Mac OS 9 or earlier
• 1. Make sure that you have "Drug and Drop
  Tclets"

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Installation

• 2. Drug and Drop "Linger.tcl" on to "Drug and
  Drop tclets"
• 3. Tcl application called "Linger" will be
  available.

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Installation

• If you are using Windows
• Download Linger.tar and expand/unpack it using
  WinZip
• Double click Linger and run experiment

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Preparation for Experiments

• Linger has 7 major components.
• "Experiments" folder
• Exp folders Exp1, Exp2, Exp3,
• Introduction
• Conclusion
• Items
• Preferences
• Break

Inside each "Exp" folder
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Preparation for Experiments

• Linger accesses to "Experiments"
• An "Exp" folder corresponds to one experiment
• If you have 3 experiments
• Exp1 English moving window
• Exp2 Japanese moving window
• Exp3 Hindi auto-paced reading

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Preparation for Experiments

• When you run your experiment, you can choose each
  "Exp" from the console.

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Preparation for Experiments

• Inside each "Exp"
• Introduction
• Conclusion
• Items
• Preferences
• Break
• Results

Text Files
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Preparation for Experiments

• Introduction
• Introduction specifies
• All the instruction
• All the "command" lines within the instruction
  and practice
• The presentation modes

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Preparation for Experiments

• Introduction
• The format is really simple.
• Everything you wants to present on the computer
  screen during the instruction and practice
  sessions must be inside .

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Preparation for Experiments

• Introduction has 3 components
• Instruction Instruct Welcome
• Commands Command Press space key
• Presentation modes selfPacedItempractice1-
• By changing this line you can change how the
  practice sentences are presented. Moving Window,
  Auto-paced reading, Center presentation, etc.

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Preparation for Experiments

• Conclusion
• Conclusion specifies the command indicating the
  end of the experiments.
• Format is really simple.
• commandAll done

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Preparation for Experiments

• Items (You should use simple text or word for
  creating items file.)
• Items file must contain
• stimuli
• fillers
• practice

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Preparation for Experiments

• Items
• Stimuli
• e1 1 a
• A police chief was investigating the bank
  robbery.
• On Friday,
• ?Did a detective see the suspect on Wednesday? Y

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Preparation for Experiments

• Items
• Stimuli Format
• e1 1 a
• A police chief was investigating the bank
  robbery.
• On Friday,
• ?Did a detective see the suspect on Wednesday? Y

Header
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Preparation for Experiments

• Items
• Stimuli Format
• e1 1 a
• A police chief was investigating the bank
  robbery.
• On Friday,
• ?Did a detective see the suspect on Wednesday? Y

Sentences
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Preparation for Experiments

• Items
• Stimuli Format
• e1 1 a
• A police chief was investigating the bank
  robbery.
• On Friday,
• ?Did a detective see the suspect on Wednesday? Y

Question
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Preparation for Experiments

• Items
• Stimuli Format
• Header
• e1 1 a experiment 1, item 1, condition a

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Preparation for Experiments

• Items
• Stimuli Format
• Sentences
• The boy splashed by the whale was soaking wet.
• Spaces region break
• The_boy splashed by the_whale was soaking wet.
• word_word in the same region
• Return line break

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Preparation for Experiments

• Items
• Stimuli Format
• Sentences
• The boy splashed by the whale was soaking wet.
• Spaces region break
• Word by word presentation

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Preparation for Experiments

• Items
• Stimuli Format
• Sentences
• The_boy splashed by the_whale was soaking wet..
• word_word in the same region
• Region by region presentation

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Preparation for Experiments

• Items
• Stimuli Format
• Question
• ? The boy splashed something? N
• ? Question? Y/N

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Preparation for Experiments

• Items
• Fillers
• filler 1 -
• Forty trees were going to be planted along the
  new road.
• ? They were planning to plant trees? Y

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Preparation for Experiments

• Items
• Fillers Format
• Header
• filler 1 -
• Others are the same as stimuli

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Preparation for Experiments

• Items
• Practice
• practice 1 -
• This sentence is a_practice sentence to_help_you
  get used to a moving window display.
• Everything other than the header is the same as
  stimuli

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Preparation for Experiments

• Preferences
• Preferences contains
• Presentation specification
• Font and language specification
• Responses

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Preparation for Experiments

• Preferences
• Self-paced reading (Moving Window) experiment, in
  English is the default
• If you are running Moving Window experiment,
  Preferences can be empty.

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Preparation for Experiments

• Preferences
• Change the presentation specification you need
  just add one of the following lines in
  Preferences.
• set Experiment centerSelfPacedReading
• set Experiment autoPacedReading
• set Experiment centerAutoPacedReading
• You can see others in "Linger Documentation."