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<br>&nbsp;
<br>&nbsp;
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<h1>
<font face="Verdana"><font color="#000099">SUPERLAB</font></font></h1></center>

<blockquote>&nbsp;
<br><font face="Verdana"><font color="#000000"><font size=-1>The Superlab
is a computer program which lets you write your own experiments.&nbsp;
It lets you control the timing of the experiment, present stimuli in a
standard manner to all subjects, and will record the response time and
accuracy of the response made by the subject.</font></font></font>
<p><font face="Verdana"><font color="#000000"><font size=-1>There is almost
no end to the type of experiments you can write.&nbsp; There are many examples
in the directory "Experiments" within the program.</font></font></font>
<p><font face="Verdana"><font color="#000000"><font size=-1>Here are two
which were written by my lab assistants after about two hours of study:</font></font></font></blockquote>

<br>&nbsp;
<center>
<h3>
<font face="Verdana"><font color="#000099">The Mouse by Josh Keezer</font></font></h3></center>

<blockquote><font face="Verdana"><font color="#000000"><font size=-1>Subjects
are presented with either a) a picture of a mouse with the buttons indicated
or b) a rectangular form with two squares at one end.&nbsp; They are told
to press the left mouse button if the left square is grey and the right
mouse button if the right square is grey.&nbsp; In both conditions the
object rotates 180 degrees on some trials.</font></font></font>
<p><font face="Verdana"><font color="#000000"><font size=-1>The data includes
the response time of the subject as well as the accuracy of the response.&nbsp;
Timing starts with the presentation of the stimulus and ends with the mouse
click.</font></font></font>
<br>&nbsp;
<p><b><font face="Verdana"><font color="#85645C"><font size=-1>Possible
analyses include:</font></font></font></b>
<br>&nbsp;
<ol>
<ol>
<li>
<font face="Verdana"><font color="#000000"><font size=-1>Contrasting the
response time to right versus left clicks.</font></font></font></li>

<li>
<font face="Verdana"><font color="#000000"><font size=-1>Contrasting the
response time to upright and inverted images.</font></font></font></li>

<li>
<font face="Verdana"><font color="#000000"><font size=-1>Contrasting the
response time between the picture of the mouse and the rectangle.</font></font></font></li>

<li>
<font face="Verdana"><font color="#000000"><font size=-1>Using a within
subject design to see the effects of practice on the task.</font></font></font></li>
</ol>
</ol>

<p><br><b><font face="Verdana"><font color="#85645C"><font size=-1>Possible
variations include:</font></font></font></b>
<br><b><font face="Arial,Helvetica"><font color="#8A6962"></font></font></b>&nbsp;
<ol>
<ol>
<li>
<font face="Verdana"><font color="#000000"><font size=-1>Including trials
with the mouse and rectangle rotated 90 and 45 degrees in all directions.</font></font></font></li>

<li>
<font face="Verdana"><font color="#000000"><font size=-1>Changing the stimuli
to abstract designs.</font></font></font></li>

<li>
<font face="Verdana"><font color="#000000"><font size=-1>Adding color variations
that are superfluous to the task -- as distracters.</font></font></font></li>
</ol>
</ol>

<br>&nbsp;

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<br>&nbsp;
<center>
<h3>
<font face="Verdana"><font color="#000099">Memory by Brianne Hughes</font></font></h3></center>
</blockquote>

<blockquote>&nbsp;
<br><font face="Verdana"><font color="#000000"><font size=-1>In this experiment,
the subject is presented with twenty words.&nbsp; Each word is presented
for three seconds and is immediately replaced by the subsequent word.&nbsp;
There are two conditions.&nbsp; The words are either small or large.&nbsp;
In each condition, the words remain the same size and are always presented
in the center of the screen.</font></font></font>
<p><font face="Verdana"><font color="#000000"><font size=-1>No response
is collected by the computer.&nbsp; The subject either says the words or
writes them down.&nbsp; This eliminates variations in typing and spelling
ability among the subjects.&nbsp; If the subject responds orally, experimenters
can either run an audio recorder or have a typed list of the words and
check them off as the subject remembers them.</font></font></font>
<br>&nbsp;
<p><b><font face="Verdana"><font color="#85645C"><font size=-1>Possible
analyses include:</font></font></font></b>
<br>&nbsp;
<ol>
<ol>
<li>
<font face="Verdana"><font color="#000000"><font size=-1>Contrast the performance
of the subjects depending on the size of the word.</font></font></font></li>

<li>
<font face="Verdana"><font color="#000000"><font size=-1>Separate the list
into early, middle, and late sections and contrast the ability to remember
words at various points in the list.</font></font></font></li>

<li>
<font face="Verdana"><font color="#000000"><font size=-1>Contrast the type
of word remembered - frequent and common versus unusual and rare.</font></font></font></li>
</ol>
</ol>

<p><br><b><font face="Verdana"><font color="#85645C"><font size=-1>Possible
variations include:</font></font></font></b>
<br>&nbsp;
<ol>
<ol>
<li>
<font face="Verdana"><font color="#000000"><font size=-1>Lengthen or shorten
the list of words.</font></font></font></li>

<li>
<font face="Verdana"><font color="#000000"><font size=-1>Use objects versus
words</font></font></font></li>

<li>
<font face="Verdana"><font color="#000000"><font size=-1>Use color on some
words and not others</font></font></font></li>

<li>
<font face="Verdana"><font color="#000000"><font size=-1>Lengthen or shorten
the time the words are presented to the subjects.</font></font></font></li>
</ol>
</ol>
</blockquote>
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<p><br>
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<br>&nbsp;
<blockquote><font face="Verdana"><font size=-1>If you want to write an
experiment using Superlab, contact the lab assistant -- the schedules are
on my door.&nbsp; We will try to give you the best help possible -- but
patience is always in order when dealing with a computer!&nbsp; There is
complete documentation and examples of sample experiments in my office.</font></font>
<p><font face="Verdana"><font size=-1>At present, I plan to mount Superlab
in the Student Project Room in the basement of the Computer Center.&nbsp;
This is a small room and is reasonably quiet.&nbsp; The key is available
at the Help Desk in the 24 hour room.&nbsp; If you need to run subjects
when the Help Desk is not open, see me.</font></font>
<p><font face="Verdana"><font size=-1>You should schedule the Student Project
Room by putting up a calendar page with your name on the dates and times
you are going to be using it.&nbsp; You can create a calendar in WordPerfect
by going to File/New/Calendar.</font></font>
<p><font face="Verdana"><font size=-1>If you have scheduled subjects too
closely and they have to wait for you, make sure that you put a chair in
the hall for them -- and remember to put it back when you leave.&nbsp;
Put signs up to tell your subjects how to get to the room, so they don't
bother people in the Math department or Computer Center.&nbsp; Store them
in the Project Room so you will have them for the next session.</font></font></blockquote>

<p><br>
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<p><font face="Verdana"><font color="#666666"><font size=-2>&copy; <a href="mailto:mshea@maine.edu">Marilyn
Shea</a>, November 1999</font></font></font>
<br><font face="Verdana"><font color="#666666"><font size=-2>Department
of Psychology, University of Maine at Farmington</font></font></font>
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