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REPÚBLICA BOLIVARIANA DE VENEZUELA
 UNIVERSIDAD PEDAGÓGICA EXPERIMENTAL LIBERTADOR
 INSTITUTO PEDAGÓGICO LUIS BELTRÁN PRIETO FIGUEROA
     SUBDIRECCIÓN DE INVESTIGACIÓN Y POSTGRADO
SUBPROGRAMA DE MAESTRÍA ENSEÑANZA DE LA BIOLOGÍA




               EJERCICIO DE ANOVA




               Barquisimeto, mayo de 2012
Comparamos 4 tratamientos clínicos (A efedrina, B L-Carnitina, C amineptino, D Creatina
           en la resistencia física a deportistas de alto rendimiento, asignando al azar en 15 sujetos.
           Las puntuaciones de los sujetos en los Valores de Resistencia Muscular (un cuestionario de
           escala de 0 a 150 puntos) fueron:

           A: 42, 0, 63

           B: 45, 64, 33, 29

           C: 44, 82, 64, 74

           D: 109, 120, 116, 97

           Hipótesis:

           Ho =        A =           B =       C =         D

           Ha =       A ≠            B ≠       C ≠         D



           Oneway
           [Conjunto_de_datos1] C:UsersmegaDocumentsejercicio 4.sav


                                                                             Descriptives

Sujetos

                            N         Mean          Std. Deviation           Std. Error        95% Confidence Interval for Mean               Minimum       Maximum

                                                                                               Lower Bound             Upper Bound

tratamiento A                    3         35,00               32,078               18,520              -44,69                 114,69                   0             63

tratamiento B                    4         42,75               15,714                7,857                 17,75                67,75               29                64

tratamiento C                    4         66,00               16,411                8,206                 39,89                92,11               44                82

tratamiento D                    4     110,50                  10,083                5,041                 94,46               126,54               97            120

Total                           15         65,47               34,717                8,964                 46,24                84,69                   0         120



                                                                     ANOVA

            Sujetos

                                        Sum of Squares                  Df                Mean Square              F                 Sig.

            Between Groups                         12961,983                    3               4320,661           12,150                   ,001

            Within Groups                           3911,750                   11                355,614

            Total                                  16873,733                   14
Post Hoc Tests
                                                                   Multiple Comparisons

Dependent Variable: sujetos

 LSD

(I) tratamiento          (J) tratamiento            Mean Difference (I-J)   Std. Error     Sig.               95% Confidence Interval

                                                                                                         Lower Bound          Upper Bound

                         tratamiento B                             -7,750         14,403          ,601            -39,45                 23,95

tratamiento A            tratamiento C                            -31,000         14,403          ,054            -62,70                     ,70

                         tratamiento D                           -75,500*         14,403          ,000           -107,20                -43,80

                         tratamiento A                              7,750         14,403          ,601            -23,95                 39,45

tratamiento B            tratamiento C                            -23,250         13,334          ,109            -52,60                    6,10

                         tratamiento D                           -67,750*         13,334          ,000            -97,10                -38,40

                         tratamiento A                            31,000          14,403          ,054                 -,70              62,70

tratamiento C            tratamiento B                            23,250          13,334          ,109             -6,10                 52,60

                         tratamiento D                           -44,500*         13,334          ,007            -73,85                -15,15

                         tratamiento A                            75,500*         14,403          ,000             43,80                107,20

tratamiento D            tratamiento B                            67,750*         13,334          ,000             38,40                 97,10

                         tratamiento C                            44,500*         13,334          ,007             15,15                 73,85

*. The mean difference is significant at the 0.05 level.

post hot: dentro de los tratamientos con mayor índice de significancia se encuentra el uso
de Creatina; tratamiento D.

Conclusión: Debido a que el resultado obtenido de F = 12.150 es menor que los valores
críticos, se puede decir que no existen pruebas suficientes para demostrar que las medias
de la población sean distintas. Por lo tanto, no puede afirmarse que la aplicación de los
tratamientos estudiados tengan una efectividad cuando se aplican de forma individual en
los individuos examinados; sin embargo se pueden administrar de forma conjunta para
mejores resultados
ANOVA muestra efectividad de Creatina en resistencia física

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ANOVA muestra efectividad de Creatina en resistencia física

  • 1. REPÚBLICA BOLIVARIANA DE VENEZUELA UNIVERSIDAD PEDAGÓGICA EXPERIMENTAL LIBERTADOR INSTITUTO PEDAGÓGICO LUIS BELTRÁN PRIETO FIGUEROA SUBDIRECCIÓN DE INVESTIGACIÓN Y POSTGRADO SUBPROGRAMA DE MAESTRÍA ENSEÑANZA DE LA BIOLOGÍA EJERCICIO DE ANOVA Barquisimeto, mayo de 2012
  • 2. Comparamos 4 tratamientos clínicos (A efedrina, B L-Carnitina, C amineptino, D Creatina en la resistencia física a deportistas de alto rendimiento, asignando al azar en 15 sujetos. Las puntuaciones de los sujetos en los Valores de Resistencia Muscular (un cuestionario de escala de 0 a 150 puntos) fueron: A: 42, 0, 63 B: 45, 64, 33, 29 C: 44, 82, 64, 74 D: 109, 120, 116, 97 Hipótesis: Ho = A = B = C = D Ha = A ≠ B ≠ C ≠ D Oneway [Conjunto_de_datos1] C:UsersmegaDocumentsejercicio 4.sav Descriptives Sujetos N Mean Std. Deviation Std. Error 95% Confidence Interval for Mean Minimum Maximum Lower Bound Upper Bound tratamiento A 3 35,00 32,078 18,520 -44,69 114,69 0 63 tratamiento B 4 42,75 15,714 7,857 17,75 67,75 29 64 tratamiento C 4 66,00 16,411 8,206 39,89 92,11 44 82 tratamiento D 4 110,50 10,083 5,041 94,46 126,54 97 120 Total 15 65,47 34,717 8,964 46,24 84,69 0 120 ANOVA Sujetos Sum of Squares Df Mean Square F Sig. Between Groups 12961,983 3 4320,661 12,150 ,001 Within Groups 3911,750 11 355,614 Total 16873,733 14
  • 3. Post Hoc Tests Multiple Comparisons Dependent Variable: sujetos LSD (I) tratamiento (J) tratamiento Mean Difference (I-J) Std. Error Sig. 95% Confidence Interval Lower Bound Upper Bound tratamiento B -7,750 14,403 ,601 -39,45 23,95 tratamiento A tratamiento C -31,000 14,403 ,054 -62,70 ,70 tratamiento D -75,500* 14,403 ,000 -107,20 -43,80 tratamiento A 7,750 14,403 ,601 -23,95 39,45 tratamiento B tratamiento C -23,250 13,334 ,109 -52,60 6,10 tratamiento D -67,750* 13,334 ,000 -97,10 -38,40 tratamiento A 31,000 14,403 ,054 -,70 62,70 tratamiento C tratamiento B 23,250 13,334 ,109 -6,10 52,60 tratamiento D -44,500* 13,334 ,007 -73,85 -15,15 tratamiento A 75,500* 14,403 ,000 43,80 107,20 tratamiento D tratamiento B 67,750* 13,334 ,000 38,40 97,10 tratamiento C 44,500* 13,334 ,007 15,15 73,85 *. The mean difference is significant at the 0.05 level. post hot: dentro de los tratamientos con mayor índice de significancia se encuentra el uso de Creatina; tratamiento D. Conclusión: Debido a que el resultado obtenido de F = 12.150 es menor que los valores críticos, se puede decir que no existen pruebas suficientes para demostrar que las medias de la población sean distintas. Por lo tanto, no puede afirmarse que la aplicación de los tratamientos estudiados tengan una efectividad cuando se aplican de forma individual en los individuos examinados; sin embargo se pueden administrar de forma conjunta para mejores resultados