|
EXERCÍCIO 5 – ANÁLISE DA VARIÂNCIA DE PLANOS |
||
OUTPUT 7 |
|
||
Análise
da Variância Unifactorial (Grupos Independentes) |
|
||
Comandos |
GET |
FILE='C:\Documents and Settings\user\Desktop\E05_DATA1.sav'. |
ONEWAY |
vd BY a |
/STATISTICS DESCRIPTIVES HOMOGENEITY |
/MISSING ANALYSIS. |
|
Output |
Descriptives |
||||||||
|
N |
Mean |
Std. Deviation |
Std. Error |
95% Confidence Interval for Mean |
Minimum |
Maximum |
|
Lower Bound |
Upper Bound |
|||||||
1 |
10 |
92,0000 |
14,1735 |
4,4821 |
81,8609 |
102,1391 |
72 |
117 |
2 |
10 |
123,0000 |
15,6985 |
4,9643 |
111,7699 |
134,2301 |
98 |
148 |
3 |
10 |
106,0000 |
12,4811 |
3,9469 |
97,0716 |
114,9284 |
92 |
130 |
Total |
30 |
107,0000 |
18,7984 |
3,4321 |
99,9806 |
114,0194 |
72 |
148 |
Test of Homogeneity of Variances |
|||
Levene Statistic |
df1 |
df2 |
Sig. |
,3255 |
2 |
27 |
,7249 |
ANOVA |
|||||
|
Sum of Squares |
df |
Mean Square |
F |
Sig. |
Between Groups |
4820,0000 |
2 |
2410,0000 |
11,9878 |
,0002 |
Within Groups |
5428,0000 |
27 |
201,0370 |
|
|
Total |
10248,0000 |
29 |
|
|
|
Comandos |
GET |
FILE='C:\Documents and Settings\user\Desktop\E05_DATA1.sav'. |
UNIANOVA |
vd BY a |
/METHOD = SSTYPE(3) |
/INTERCEPT = INCLUDE |
/PRINT = ETASQ OPOWER |
/CRITERIA = ALPHA(.05) |
/DESIGN = a. |
UNIANOVA |
vd BY a |
/METHOD = SSTYPE(3) |
/INTERCEPT = INCLUDE |
/PRINT = ETASQ OPOWER |
/CRITERIA = ALPHA(.01) |
/DESIGN = a. |
|
Output |
Between-Subjects Factors |
||
|
N |
|
A |
1 |
10 |
2 |
10 |
|
3 |
10 |
Tests of Between-Subjects Effects |
||||||||
Source |
Type III Sum of Squares |
df |
Mean Square |
F |
Sig. |
Partial Eta Squared |
Noncent. Parameter |
Observed Power(a) |
Corrected Model |
4820,0000(b) |
2 |
2410,0000 |
11,9878 |
,0002 |
,4703 |
23,9757 |
,9899 |
Intercept |
343470,0000 |
1 |
343470,0000 |
1708,4912 |
,0000 |
,9844 |
1708,4912 |
1,0000 |
A |
4820,0000 |
2 |
2410,0000 |
11,9878 |
,0002 |
,4703 |
23,9757 |
,9899 |
Error |
5428,0000 |
27 |
201,0370 |
|
|
|
|
|
Total |
353718,0000 |
30 |
|
|
|
|
|
|
Corrected Total |
10248,0000 |
29 |
|
|
|
|
|
|
a Computed using alpha = ,05 |
||||||||
b R Squared = ,470 (Adjusted R Squared =
,431) |
Between-Subjects Factors |
||
|
N |
|
A |
1 |
10 |
2 |
10 |
|
3 |
10 |
Tests of Between-Subjects Effects |
||||||||
Source |
Type III Sum of Squares |
df |
Mean Square |
F |
Sig. |
Partial Eta Squared |
Noncent. Parameter |
Observed Power(a) |
Corrected Model |
4820,00000(b) |
2 |
2410,0000 |
11,9878 |
,0002 |
,4703 |
23,9757 |
,9430 |
Intercept |
343470,00000 |
1 |
343470,0000 |
1708,4912 |
,0000 |
,9844 |
1708,4912 |
1,0000 |
A |
4820,00000 |
2 |
2410,0000 |
11,9878 |
,0002 |
,4703 |
23,9757 |
,9430 |
Error |
5428,00000 |
27 |
201,0370 |
|
|
|
|
|
Total |
353718,00000 |
30 |
|
|
|
|
|
|
Corrected Total |
10248,00000 |
29 |
|
|
|
|
|
|
a Computed using alpha = ,01 |
||||||||
b R Squared = ,470 (Adjusted R Squared =
,431) |
OUTPUT 9 |
|
Cálculo
do Número de Sujeitos por Condição Experimental em Função do Nível de
Significação, do Poder e da Magnitude dos Efeitos Experimentais |
Comandos |
>POWER |
>MODEL ONEWAY /
GROUPS=3 WITHIN=12.00830 EFFECT=95 108 103 |
|
Output |
>ESTIMATE / ALPHA=0.05
POWER=0.80 |
|
Alpha = 0.0500 |
Power = 0.8000 |
Model = Oneway |
Number of groups = 3 |
Within cell S.D. = 12.0083 |
|
Mean(01) = 95.0000 |
Mean(02) = 108.0000 |
Mean(03) = 103.0000 |
|
Effect Size = 0.4459 |
Noncentrality parameter = 0.5964 * sample size |
|
SAMPLE |
SIZE POWER |
(per cell) |
6 0.3150 |
7 0.3721 |
8 0.4277 |
9 0.4809 |
10 0.5314 |
11 0.5788 |
12 0.6230 |
13 0.6639 |
14 0.7015 |
15 0.7357 |
16 0.7668 |
17 0.7949 |
18 0.8201 |
Total Sample Size = 54 |
Nota.
Comandos (Estatísticas
descritivas, ANOVA e Contrastes) |
GET |
FILE='C:\Documents and Settings\user\Desktop\E05_DATA2.sav'. |
ONEWAY |
vd BY vi |
/CONTRAST= 0 1 0 0 -1 /CONTRAST= 1 0 -1 0 0 /CONTRAST= 3 -2 3 -2 -2 |
/STATISTICS DESCRIPTIVES |
/MISSING ANALYSIS. |
|
Output (Estatísticas descritivas, ANOVA e
Contrastes) |
Descriptives |
||||||||
|
N |
Mean |
Std. Deviation |
Std. Error |
95% Confidence Interval for Mean |
Minimum |
Maximum |
|
Lower Bound |
Upper Bound |
|||||||
1 |
8 |
4,0000 |
3,1623 |
1,1180 |
1,3563 |
6,6437 |
1 |
9 |
2 |
8 |
10,0000 |
5,1270 |
1,8127 |
5,7138 |
14,2862 |
2 |
19 |
3 |
8 |
11,0000 |
6,7188 |
2,3755 |
5,3829 |
16,6171 |
3 |
21 |
4 |
8 |
24,0000 |
6,3696 |
2,2520 |
18,6749 |
29,3251 |
17 |
36 |
5 |
8 |
29,0000 |
6,1644 |
2,1794 |
23,8464 |
34,1536 |
20 |
40 |
Total |
40 |
15,6000 |
10,8812 |
1,7205 |
12,1200 |
19,0800 |
1 |
40 |
ANOVA |
|||||
|
Sum of Squares |
df |
Mean Square |
F |
Sig. |
Between Groups |
3497,6000 |
4 |
874,4000 |
27,3250 |
,0000 |
Within Groups |
1120,0000 |
35 |
32,0000 |
|
|
Total |
4617,6000 |
39 |
|
|
|
Contrast Coefficients |
|||||
|
VI |
||||
Contrast |
1 |
2 |
3 |
4 |
5 |
1 |
0 |
1 |
0 |
0 |
-1 |
2 |
1 |
0 |
-1 |
0 |
0 |
3 |
3 |
-2 |
3 |
-2 |
-2 |
Contrast Tests |
|||||||
|
Contrast |
Value of Contrast |
Std. Error |
t |
df |
Sig. (2-tailed) |
|
VD |
Assume equal variances |
1 |
-19,0000 |
2,8284 |
-6,7175 |
35 |
,0000 |
2 |
-7,0000 |
2,8284 |
-2,4749 |
35 |
,0183 |
||
3 |
-81,0000 |
10,9545 |
-7,3943 |
35 |
,0000 |
||
Does not assume
equal variances |
1 |
-19,0000 |
2,8347 |
-6,7026 |
13,5501 |
,0000 |
|
2 |
-7,0000 |
2,6254 |
-2,6662 |
9,9562 |
,0237 |
||
3 |
-81,0000 |
10,6988 |
-7,5709 |
25,1204 |
,0000 |
Comandos (ANOVA, Tukey
HSD, Scheffe e Fisher LSD) |
GET |
FILE='C:\Documents and Settings\user\Desktop\E05_DATA2.sav'. |
ONEWAY |
vd BY vi |
/MISSING ANALYSIS |
/POSTHOC = TUKEY SCHEFFE LSD ALPHA(.05). |
|
Output (ANOVA, Tukey HSD, Scheffe e
Fisher LSD) |
[Quadro
da ANOVA omitido]
Multiple Comparisons |
|||||||
|
Mean Difference (I-J) |
Std. Error |
Sig. |
95% Confidence Interval |
|||
|
(I) VI |
(J) VI |
Lower Bound |
Upper Bound |
|||
Tukey HSD |
1 |
2 |
-6,0000 |
2,8284 |
,2340 |
-14,1319 |
2,1319 |
3 |
-7,0000 |
2,8284 |
,1198 |
-15,1319 |
1,1319 |
||
4 |
-20,0000(*) |
2,8284 |
,0000 |
-28,1319 |
-11,8681 |
||
5 |
-25,0000(*) |
2,8284 |
,0000 |
-33,1319 |
-16,8681 |
||
2 |
1 |
6,0000 |
2,8284 |
,2340 |
-2,1319 |
14,1319 |
|
3 |
-1,0000 |
2,8284 |
,9965 |
-9,1319 |
7,1319 |
||
4 |
-14,0000(*) |
2,8284 |
,0002 |
-22,1319 |
-5,8681 |
||
5 |
-19,0000(*) |
2,8284 |
,0000 |
-27,1319 |
-10,8681 |
||
3 |
1 |
7,0000 |
2,8284 |
,1198 |
-1,1319 |
15,1319 |
|
2 |
1,0000 |
2,8284 |
,9965 |
-7,1319 |
9,1319 |
||
4 |
-13,0000(*) |
2,8284 |
,0005 |
-21,1319 |
-4,8681 |
||
5 |
-18,0000(*) |
2,8284 |
,0000 |
-26,1319 |
-9,8681 |
||
4 |
1 |
20,0000(*) |
2,8284 |
,0000 |
11,8681 |
28,1319 |
|
2 |
14,0000(*) |
2,8284 |
,0002 |
5,8681 |
22,1319 |
||
3 |
13,0000(*) |
2,8284 |
,0005 |
4,8681 |
21,1319 |
||
5 |
-5,0000 |
2,8284 |
,4078 |
-13,1319 |
3,1319 |
||
5 |
1 |
25,0000(*) |
2,8284 |
,0000 |
16,8681 |
33,1319 |
|
2 |
19,0000(*) |
2,8284 |
,0000 |
10,8681 |
27,1319 |
||
3 |
18,0000(*) |
2,8284 |
,0000 |
9,8681 |
26,1319 |
||
4 |
5,0000 |
2,8284 |
,4078 |
-3,1319 |
13,1319 |
||
* The mean difference is significant at
the.05 level. |
Multiple Comparisons |
|||||||
|
Mean Difference (I-J) |
Std. Error |
Sig. |
95% Confidence Interval |
|||
|
(I) VI |
(J) VI |
Lower Bound |
Upper Bound |
|||
Scheffe |
1 |
2 |
-6,0000 |
2,8284 |
,3605 |
-15,1939 |
3,1939 |
3 |
-7,0000 |
2,8284 |
,2145 |
-16,1939 |
2,1939 |
||
4 |
-20,0000(*) |
2,8284 |
,0000 |
-29,1939 |
-10,8061 |
||
5 |
-25,0000(*) |
2,8284 |
,0000 |
-34,1939 |
-15,8061 |
||
2 |
1 |
6,0000 |
2,8284 |
,3605 |
-3,1939 |
15,1939 |
|
3 |
-1,0000 |
2,8284 |
,9980 |
-10,1939 |
8,1939 |
||
4 |
-14,0000(*) |
2,8284 |
,0008 |
-23,1939 |
-4,8061 |
||
5 |
-19,0000(*) |
2,8284 |
,0000 |
-28,1939 |
-9,8061 |
||
3 |
1 |
7,0000 |
2,8284 |
,2145 |
-2,1939 |
16,1939 |
|
2 |
1,0000 |
2,8284 |
,9980 |
-8,1939 |
10,1939 |
||
4 |
-13,0000(*) |
2,8284 |
,0020 |
-22,1939 |
-3,8061 |
||
5 |
-18,0000(*) |
2,8284 |
,0000 |
-27,1939 |
-8,8061 |
||
4 |
1 |
20,0000(*) |
2,8284 |
,0000 |
10,8061 |
29,1939 |
|
2 |
14,0000(*) |
2,8284 |
,0008 |
4,8061 |
23,1939 |
||
3 |
13,0000(*) |
2,8284 |
,0020 |
3,8061 |
22,1939 |
||
5 |
-5,0000 |
2,8284 |
,5450 |
-14,1939 |
4,1939 |
||
5 |
1 |
25,0000(*) |
2,8284 |
,0000 |
15,8061 |
34,1939 |
|
2 |
19,0000(*) |
2,8284 |
,0000 |
9,8061 |
28,1939 |
||
3 |
18,0000(*) |
2,8284 |
,0000 |
8,8061 |
27,1939 |
||
4 |
5,0000 |
2,8284 |
,5450 |
-4,1939 |
14,1939 |
||
* The mean difference is significant at
the.05 level. |
Multiple Comparisons |
|||||||
|
Mean Difference (I-J) |
Std. Error |
Sig. |
95% Confidence Interval |
|||
|
(I) VI |
(J) VI |
Lower Bound |
Upper Bound |
|||
LSD |
1 |
2 |
-6,0000(*) |
2,8284 |
,0411 |
-11,7420 |
-,2580 |
3 |
-7,0000(*) |
2,8284 |
,0183 |
-12,7420 |
-1,2580 |
||
4 |
-20,0000(*) |
2,8284 |
,0000 |
-25,7420 |
-14,2580 |
||
5 |
-25,0000(*) |
2,8284 |
,0000 |
-30,7420 |
-19,2580 |
||
2 |
1 |
6,0000(*) |
2,8284 |
,0411 |
,2580 |
11,7420 |
|
3 |
-1,0000 |
2,8284 |
,7258 |
-6,7420 |
4,7420 |
||
4 |
-14,0000(*) |
2,8284 |
,0000 |
-19,7420 |
-8,2580 |
||
5 |
-19,0000(*) |
2,8284 |
,0000 |
-24,7420 |
-13,2580 |
||
3 |
1 |
7,0000(*) |
2,8284 |
,0183 |
1,2580 |
12,7420 |
|
2 |
1,0000 |
2,8284 |
,7258 |
-4,7420 |
6,7420 |
||
4 |
-13,0000(*) |
2,8284 |
,0001 |
-18,7420 |
-7,2580 |
||
5 |
-18,0000(*) |
2,8284 |
,0000 |
-23,7420 |
-12,2580 |
||
4 |
1 |
20,0000(*) |
2,8284 |
,0000 |
14,2580 |
25,7420 |
|
2 |
14,0000(*) |
2,8284 |
,0000 |
8,2580 |
19,7420 |
||
3 |
13,0000(*) |
2,8284 |
,0001 |
7,2580 |
18,7420 |
||
5 |
-5,0000 |
2,8284 |
,0858 |
-10,7420 |
,7420 |
||
5 |
1 |
25,0000(*) |
2,8284 |
,0000 |
19,2580 |
30,7420 |
|
2 |
19,0000(*) |
2,8284 |
,0000 |
13,2580 |
24,7420 |
||
3 |
18,0000(*) |
2,8284 |
,0000 |
12,2580 |
23,7420 |
||
4 |
5,0000 |
2,8284 |
,0858 |
-,7420 |
10,7420 |
||
* The mean difference is significant at
the.05 level. |
VD |
||||
|
N |
Subset for alpha =.05 |
||
|
VI |
1 |
2 |
|
Tukey HSD(a) |
1 |
8 |
4,0000 |
|
2 |
8 |
10,0000 |
|
|
3 |
8 |
11,0000 |
|
|
4 |
8 |
|
24,0000 |
|
5 |
8 |
|
29,0000 |
|
Sig. |
|
,1198 |
,4078 |
|
Scheffe(a) |
1 |
8 |
4,0000 |
|
2 |
8 |
10,0000 |
|
|
3 |
8 |
11,0000 |
|
|
4 |
8 |
|
24,0000 |
|
5 |
8 |
|
29,0000 |
|
Sig. |
|
,2145 |
,5450 |
|
Means for groups in homogeneous subsets
are displayed. |
||||
a Uses Harmonic Mean Sample Size =
8,000. |
Comandos (Dunnett: Grupo
controlo = 3) |
GET |
FILE='C:\Documents and Settings\user\Desktop\E05_DATA2.sav'. |
RECODE |
vi |
(1=1) (2=2) (3=6) (4=4) (5=5) INTO VI_RECOD. |
EXECUTE. |
ONEWAY |
vd BY vi_recod |
/MISSING ANALYSIS |
/POSTHOC = DUNNETT ALPHA(.05). |
|
Output
(Dunnett: Grupo controlo = 3) |
[Quadro
da ANOVA omitido]
Multiple Comparisons |
||||||
|
Mean Difference (I-J) |
Std. Error |
Sig. |
95% Confidence Interval |
||
(I) VI_RECOD |
(J) VI_RECOD |
Lower Bound |
Upper Bound |
|||
1 |
6 |
-7,0000 |
2,8284 |
,0603 |
-14,2348 |
,2348 |
2 |
6 |
-1,0000 |
2,8284 |
,9896 |
-8,2348 |
6,2348 |
4 |
6 |
13,0000(*) |
2,8284 |
,0002 |
5,7652 |
20,2348 |
5 |
6 |
18,0000(*) |
2,8284 |
,0000 |
10,7652 |
25,2348 |
* The mean difference is significant at
the.05 level. |
||||||
a Dunnett t-tests treat one group as a
control, and compare all other groups against it. |
Comandos
(Procedimento de Bonferroni) |
GET |
FILE='C:\Documents and Settings\user\Desktop\E05_DATA2.sav'. |
ONEWAY |
vd BY vi |
/MISSING ANALYSIS |
/POSTHOC = BONFERRONI ALPHA(.05). |
|
Output (Procedimento de Bonferroni) |
[Quadro
da ANOVA omitido]
Multiple Comparisons |
||||||
|
Mean Difference (I-J) |
Std. Error |
Sig. |
95% Confidence Interval |
||
(I) VI |
(J) VI |
Lower Bound |
Upper Bound |
|||
1 |
2 |
-6,0000 |
2,8284 |
,4105 |
-14,4741 |
2,4741 |
3 |
-7,0000 |
2,8284 |
,1832 |
-15,4741 |
1,4741 |
|
4 |
-20,0000(*) |
2,8284 |
,0000 |
-28,4741 |
-11,5259 |
|
5 |
-25,0000(*) |
2,8284 |
,0000 |
-33,4741 |
-16,5259 |
|
2 |
1 |
6,0000 |
2,8284 |
,4105 |
-2,4741 |
14,4741 |
3 |
-1,0000 |
2,8284 |
1,0000 |
-9,4741 |
7,4741 |
|
4 |
-14,0000(*) |
2,8284 |
,0002 |
-22,4741 |
-5,5259 |
|
5 |
-19,0000(*) |
2,8284 |
,0000 |
-27,4741 |
-10,5259 |
|
3 |
1 |
7,0000 |
2,8284 |
,1832 |
-1,4741 |
15,4741 |
2 |
1,0000 |
2,8284 |
1,0000 |
-7,4741 |
9,4741 |
|
4 |
-13,0000(*) |
2,8284 |
,0005 |
-21,4741 |
-4,5259 |
|
5 |
-18,0000(*) |
2,8284 |
,0000 |
-26,4741 |
-9,5259 |
|
4 |
1 |
20,0000(*) |
2,8284 |
,0000 |
11,5259 |
28,4741 |
2 |
14,0000(*) |
2,8284 |
,0002 |
5,5259 |
22,4741 |
|
3 |
13,0000(*) |
2,8284 |
,0005 |
4,5259 |
21,4741 |
|
5 |
-5,0000 |
2,8284 |
,8582 |
-13,4741 |
3,4741 |
|
5 |
1 |
25,0000(*) |
2,8284 |
,0000 |
16,5259 |
33,4741 |
2 |
19,0000(*) |
2,8284 |
,0000 |
10,5259 |
27,4741 |
|
3 |
18,0000(*) |
2,8284 |
,0000 |
9,5259 |
26,4741 |
|
4 |
5,0000 |
2,8284 |
,8582 |
-3,4741 |
13,4741 |
|
* The mean difference is significant at
the.05 level. |
Ver Procedimentos e Outputs em
ANOVA Unifactorial: Medidas de Associação
e do Tamanho do Efeito e Poder Observado
Última
actualização: 2011-10-21