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ANEXO CUNIVERSIDAD LATINOAMERICANA Y DEL CARIBE – ULACMAESTRIA EN CIENCIA EDUCATIVA, MENCIÓN EDUCACIÓN INICIALTratamiento de la ConfiabilidadCálculo <strong>del</strong> coeficienteK Σ S 2 T 1α = ------------- = 1 - ------------------K – 1 S 2 T 0Donde:? = Coeficiente de confiabilidadK = Número de preguntas? S 2 T 1 = Sumatoria de la varianza de ítemsS 2 T O = Varianza TotalÍtems Expertos ?x i2? x i S i 21 2 3 4 5 6 71 5 2 4 3 3 4 3 24 88 1.052 5 3 3 4 4 5 2 26 102 0.903 3 1 4 2 2 5 2 19 73 1.904 3 3 4 2 5 5 2 24 92 1.615 2 3 4 2 4 5 4 24 90 1.286 5 2 4 3 3 4 3 24 88 1.057 3 5 5 4 5 5 3 30 134 0,908 4 5 3 1 4 4 3 24 92 1.619 2 4 3 3 4 5 3 24 88 1.0510 1 2 3 4 3 1 3 17 49 1.2811 4 2 3 2 5 3 5 24 92 1.6112 4 3 4 5 2 4 2 24 90 1.2813 3 1 3 4 3 2 1 17 49 1.2814 2 4 1 3 5 2 2 19 63 1.9015 5 3 3 1 2 2 4 20 68 1.8016 5 2 4 3 3 4 3 24 88 1.0517 2 4 3 4 3 3 2 24 88 1.0518 2 3 4 2 4 5 4 24 90 1.2819 3 1 3 4 3 2 1 17 49 1.2820 2 4 1 3 5 2 2 19 63 1.9021 2 5 5 2 4 3 3 24 92 1.6193

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