Taking a Look at the Experimental Procedure:
12) Now, to help you see what you've done, WEXTOR can show you the layout
of your experimental design. Click the View option
next to visual display of the experimental design. You should
see something like this:
|
This allows you to see the experimental procedure you've created and see
if there are any changes you need to make.
We can use this display to walk through the experiment and see how it goes. First, participants go to the index
page; that's your homepage. Next, they go to the start
page which contains some general information about the experiment, as well
as the informed consent. After that, participants are assigned to
one of the two experimental conditions (the ESCIII
and IIICSE folders).
If you need to make any changes to the experimental procedure, you can use the < back button at the bottom of teh webpage to go back to the appropriate page, make the changes, and as you click the > continue button, WEXTOR will update the procedure. You can click the 'download' button to save this visual display of the experimental design to your computer. |
When you're satisfied with the layout of the experimental procedure, it's time get specific about what's going to go on each page. Here's what's going to happen: Once we've made a few additions, we'll download a series of webpages that WEXTOR has made for us. These will be the pages needed to conduct our study.
Adding Dependent Measures (HTML forms):
13) Now, you're ready to start working with the content on the
webpages used in the experimental procedure. To this point, WEXTOR
has created the webpages for the experiment and the special script needed
to move between them. Clicking on the name of a webpage in the list
allows you to add content to it.
This is how we'll add forms
(special HTML tags for collecting responses) to our webpage. You'll
want to do formating work on your webpages after they've been downloaded.
This is where knowing some HTML or how to use a web editor comes in very
handy.
For the instructions page,
we can add the content later. Since everyone in each between-subjects
condition will get the same trait lists, we can add that content with the
HTML editor later, as well. However, this IS a good place
to add the rating scales for our dependent measures.
Click the link for ratings.html.
You should see something like this:
![]() |
This is where you add elements to the webpage for collecting responses.
WEXTOR gives you a variety of options and even provides an example so you
can see what each looks like.
We want to have our respondents complete ratings for 4 traits; 2 that are positive and 2 that are negative. These 4 traits are: Sociable, Happy, Aggressive, Rude. Let's use a simple 5-point rating scale, with radio buttons in a horizontal order. Select the button for Radio Buttons in Horizontal order and click add. Here's the text we need to enter: |
Item Name: Sociable
The question to enter: How Sociable is this person?
Left end label: Not at all Sociable
Right end label: Very Sociable
Number of radio buttons: 5
After entering the information into the appropriate textboxes, click the
> continue button. After doing that, you can click the view
button to see what it looks like. If you don't like the way the text
looks, that's ok because you can come along and change it later.
Right now, you just want to get the questions in there.
OK, now we just need to use that same procedure to add 3 more ratings for
a remaining 3 traits. After entering those, if you click view
again you can take a look. You've now added the dependent variables!!
When you're done, click the > continue button. This takes you back
to the navigation screen.
14) Continuing on to the next screen, WEXTOR offers to collect the response
latency for each page. Response times can be useful information to
have, so click the checkbox to get the response latencies.
WEXTOR automatically assigns
a user id to respondents. We can leave the number of digits at 5.
Click the > continue button.
Downloading the Materials:
15) You're now ready to download the materials. WEXTOR has created
the webpages needed to conduct your experiment and the Javascript for moving
between the pages. Now, you need to download those pages and adjust
the content to suit your needs.
Click the download
link and save the file to your harddrive. As WEXTOR explains at this
point, what you download is a compressed file, so you may need to use a
program to decompress it (e.g., winzip).
If you click the > continue
button you get some information about the data you're collecting.
We'll come back to that in a minute.
16) Find the compressed file you downloaded and open it up. You should find a list of all the files needed to run your experiment. For example, you should see the file 'ratings.html' where you made the trait ratings.
Finishing It Up:
17) Essentially, WEXTOR has helped you make the skeleton for your
research study. Notice that there are 2 copies of some files.
Remember, each between-subjects condition is represented by its own folder,
so you'll need different files for each folder (e.g., for the ESCIII folder,
we need to have List A displayed, but the IIICSE folder needs to have List
B displayed).
Here's what you need to
do: Create a folder to house all your experimental materials, called
"WEXTOR_IF". Now, within that folder, create a folder called ESCIII
and another called IIICSE. Into these 2 subfolders, move one copy
of each of these files: demos.html, instructions.html, list.html,
ratings.html, and thank.html. Copy all other files you downloaded
from WEXTOR into the WEXTOR_IF folder.
18) All you need to do now is flesh it out by filling in the content.
For example, you need to add some instructions to the 'instructions.html'
pages and the trait lists to the 'list.html' pages.
Now, this is not an exercise in HTML, so I've completed
the pages and made the completed project available for you to view:
Completed WEXTOR_Impression_Formation_Example
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