1) One-way ANOVA among six
treatments:
|
Speeds |
Counts |
Means of Performance
Time |
Standard
Deviation |
|
16/sec |
34 |
26.9
sec |
8.7
sec |
|
12/sec |
34 |
23.5
sec |
5.7
sec |
|
8/sec |
34 |
21.1
sec |
4.6
sec |
|
4/sec |
34 |
23.1
sec |
5.5
sec |
|
2/sec |
34 |
29.6
sec |
6.1
sec |
|
1.5/sec |
34 |
54.6
sec |
13.3
sec |
Summary ( alpha =
0.01):
|
Source of
Variation |
SS |
DF |
SV |
F |
Fcrit |
|
Total |
38983.88 |
203 |
|
|
|
|
Within
groups |
12335.25 |
198 |
62.29922 |
|
|
|
Between
groups |
26648.63 |
5 |
5329.727 |
|
|
|
|
|
|
|
85.55046 |
9.08 |
There exists a statistically
significant variation among the performance times.
2) One-way ANOVA among the
first three treatments:
|
Speeds |
Counts |
Means of Performance
Time |
Standard
Deviation |
|
16/sec |
34 |
26.9
sec |
8.7
sec |
|
12/sec |
34 |
23.5
sec |
5.7
sec |
|
8/sec |
34 |
21.1
sec |
4.6
sec |
Summary ( a =
0.01):
|
Source of
Variation |
SS |
DF |
SV |
F |
Fcrit |
|
Total |
4846.71 |
101 |
|
|
|
|
Within
groups |
4268.483 |
99 |
43.11599 |
|
|
|
Between
groups |
578.2273 |
2 |
289.1136 |
|
|
|
|
|
|
|
6.705485 |
99.5 |
There is no statistically
significant deceasing performance time from 16/sec to 8/sec from this ANOVA
analysis. However later paired tests still showed a statistically significant
better performance for 8/sec zooming speed than that of
16/sec.
3) One-way ANOVA among the
last four treatments:
|
Speeds |
Counts |
Means of Performance
Time |
Standard
Deviation |
|
8/sec |
34 |
21.1
sec |
4.6
sec |
|
4/sec |
34 |
23.1
sec |
5.5
sec |
|
2/sec |
34 |
29.6
sec |
6.1
sec |
|
1.5/sec |
34 |
54.6
sec |
13.3
sec |
Summary ( a =
0.01):
|
Source of
Variation |
SS |
DF |
SV |
F |
Fcrit |
|
Total |
33045.1 |
135 |
|
|
|
|
Within
groups |
8764.884 |
132 |
66.40064 |
|
|
|
Between
groups |
24280.21 |
3 |
8093.405 |
|
|
|
|
|
|
|
121.8875 |
26.2 |
Performance time
statistically significantly increased from zooming speed 8/sec to
1.5/sec.