3. paired stimulus data collection and scoring

1. This is the data sheet you will use to
collect data on the client’s
selections

2. Before watching the data collection
video, write the names of these
items

3. On the first trial, item 1 (M&Ms)
will be presented on your left…

4. On the first trial, item 1 (M&Ms)
will be presented on your left…
and items 2 (Hot Cheetos) will be
presented on your right.

5. • When the client makes a
selection, circle the item that was
chosen.
• For example, if the client selects
hot Cheetos on the first trial, circle
item 2.

6. Now you are ready to watch the
video!

7. Now let’s calculate the results and
determine which items are the most
preferred!

8. • These are the results of the
actual preference
assessment.
• Check that you have the
same results for the first 6
trials and copy the rest.

9. To determine which items
are the most preferred, first
count the number of times
each item was selected
across trials.

10. For example, M&Ms were
selected 4 times.
4

11. Do the same for the other
items and write the number
of times they were selected
under “# Trials selected”
4
5
3

12. • Then, divide the number of
trial selected by the total
trials presented and
multiply by 100.
4
5
3

13. For example, for the M&Ms
4 divided by 8 is .5
multiplied by 100 is 50%
4/8 = .5 x 100 = 50%
4
5
3
50%

14. For the Cheetos, 5 divided
by 8 is .63 multiplied by 100
is 63%
5/8 = .63 x 100 = 63%
4
5
3
50%
63%

15. For the Pretzels, 3 divided by
8 is .38 multiplied by 100 is
38%
3/8 = .38 x 100 = 38%
4
5
3
50%
63%
38%

16. • Do the same for the rest of
the items.
• The one with the highest
percentage is the most
preferred item
4
5
3
50%
63%
38%

17. Now get ready to take a
quiz!
4
5
3
50%
63%
38%