The Procrastination Log (PL)…was administered both at intake [pretest to a one-hour individual counseling session on procrastination] and on outtake [posttest]. The PL is the most widely used instrument for assessing difficulties with procrastination. It is a 9- item self-report questionnaire that measures procrastination-related behavior during the past week.  On average, which group had the higher scores on “Intake’?  At “Intake” which group has the greatest variability in their scores?  On average, which group showed the greatest improvement from “Intake” to “Outtake”?

MATLAB: An Introduction with Applications
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The Procrastination Log (PL)…was administered both at intake [pretest to a one-hour individual counseling session on procrastination] and on outtake [posttest]. The PL is the most widely used instrument for assessing difficulties with procrastination. It is a 9- item self-report questionnaire that measures procrastination-related behavior during the past week. 

  1. On average, which group had the higher scores on “Intake’? 
  2. At “Intake” which group has the greatest variability in their scores? 
  3. On average, which group showed the greatest improvement from “Intake” to “Outtake”?

 

Group Means and Standard Deviations of Procrastination Log scores
Intake
Outtake
Group
M
SD
SD
Same-attribution
group (n = 27)
43.5
8.6
37.4
9.1
No attribution group
(n = 27)
45.7
5.9
33.4
10.8
Different-attribution
group (n = 27)
41.9
10.7
36.8
9.2
* Higher scores indicate greater self-reported procrastination
Transcribed Image Text:Group Means and Standard Deviations of Procrastination Log scores Intake Outtake Group M SD SD Same-attribution group (n = 27) 43.5 8.6 37.4 9.1 No attribution group (n = 27) 45.7 5.9 33.4 10.8 Different-attribution group (n = 27) 41.9 10.7 36.8 9.2 * Higher scores indicate greater self-reported procrastination
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