Posted by
PsyDStats on
Mar 05, 2018; 4:21pm
URL: http://spssx-discussion.165.s1.nabble.com/2-Variables-7-cases-10-observations-Simple-tp5735614p5735630.html
Gene,
Thanks again for your response.
The observations were made over the course of 5 minute intervals for 50
total minutes per student, which I aggregated to 10 segments per 50 minute
period. Any given student could have multiple moments of AN and HA during
the 5 minute segment coded. That's why St1 got a score of 11 (anxiety) and
7 (hyperactivity) in T1 (which is the summed observations in the first 5
minute segment). I did this because some subjects had over 300 observed
moments of AN during the 50 minute period (super anxious kids, to put it
clinically) and I wasn't sure that I'd get more bang from each individual
observation in my data set over the totals for each 5 minute segment. The
data set with all anxiety tallies across all students was 1074 data points.
Another reason I chose to use the aggregate 5 minute segment totals was that
it seemed to me that 1/0 coding for each moment observed resulted in
discrete data, while the total for any given 5 minute segment was
continuous, and continuous data might provide more options for analysis, in
spite of the fact that the data turned out to be non-normalized.
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