Change Effects, i.e., Frequency Jumps & Celeration Turns
NOTE 4/21/07--this information is currently being edited and is subject to correction
Roughly speaking change effects describe the effect of introducing
an intervention or change to intervention which constitutes a phase change
or a DOES in response to the IS conditions.(IS/DOES)
Jump is a change of frequency:increase or decrease that does not return to the previous frequency.
Turn is a change of celeration: increase or decrease that does not return to the previous celeration.
These changes are relatively stable, unlike Outliers or Bounce.
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change |
change |
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freq. |
celeration |
Images © J.W. Eshleman 2002. |
Jump Up |
Turn Up |
multiply |
multiply |
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Jump Up |
No Turn |
multiply |
no change |
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Jump Up |
Turn Down |
multiply |
divide |
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No Jump |
Turn Up |
no change |
multiply |
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No Jump |
No Turn |
no change |
no change |
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No Jump |
Turn Down |
no change |
divide |
insert PICTURE |
Jump Down |
Turn Up |
divide |
multiply |
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Jump Down |
No Turn |
divide |
no change |
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Jump Down |
Turn Down |
divide |
divide |
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8/26/07
John W. Eshleman, Ed.D, BCBA has put together a nice description of
frequency jumps and celeration turns in his Blog,
Standard Celeration Charting, including example illustrations!
Check out Dr. Eshleman's discussion, here
6/27/07
Interesting online tutorial on SCC analysis, including jumps and turns
by Rick Kubina, Ph.D., BCBA
Precision Teaching Blog
Standard Celeration Chart analysis
Wednesday, June 27, 2007
Accompanying video
NOTE: I found it helpful while listening to the presentation to open the blog entry in a SEPARATE window so that I could see the video, and have the larger chart blowup from the blog to examine while Rick was giving the video.
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Reference:
$ Graf,S. and Lindsley, O. (2002).
Ch. 5, Jumps and Turns, pp. 41-49.
Ch.13, Experimental Design and Change Effects, pp.121-144
Standard Celeration Charting 2002. Youngstown, OH: Graf Implements.
Available at the Behavior Research Company and Behavior Development Solutions
Note: Page 144 lists papers from the Journal of Applied Behavior Analysis (JABA), which illustrate the various change effects.
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