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ALFA DE CROMBACH Y KR20

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ALFA DE CROMBACH Y KR20

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About this activity

interpretación de resultados

Created by

Victoria Silva
Victoria Silva
Bolivia

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ALFA DE CROMBACH Y KR20
 

ALFA DE CROMBACH Y KR20Online version

interpretación de resultados

by Victoria Silva
1

¿Cuál de los siguientes NO es una técnica de recolección de datos?

2

¿Cuál de las siguientes es una técnica de recolección de datos?

3

¿Qué instrumento se asocia típicamente con la técnica de entrevista?

4

La validez de un instrumento se refiere a:

5

La confiabilidad de un instrumento se refiere a:

6

¿Qué mide el coeficiente Alfa de Cronbach?

7

Un psicólogo aplica un test de autoestima con 10 preguntas y obtiene un Alfa de Cronbach = 0,92. Según la tabla de interpretación, ¿qué nivel de consistencia interna tiene?

8

Se evalúa un cuestionario nuevo y se obtiene α = 0,65. ¿Qué recomendación harías?

9

Un estudiante calcula el Alfa de Cronbach de un test de 8 ítems. Obtiene: Suma de varianzas de ítems (Σs²) = 3,07 Varianza total (sT²) = 10,69 K = 8 Aplicando la fórmula: α = 8 7

10

Si un test tiene α = 0,75, ¿cómo se interpreta?

11

Un investigador calcula el Alfa de Cronbach y obtiene α = 0,45. ¿Qué debe hacer?

12

¿Para qué tipo de preguntas es adecuado el coeficiente KR-20?

13

En la fórmula del KR-20, ¿qué representa p?

14

Se aplica un test de 6 preguntas dicotómicas a 10 personas. Se obtiene: Σpq = 1,02 σ² = 4,469 K = 6

15

Un psicólogo diseña un test de motivación académica con preguntas dicotómicas. Obtiene un KR-20 = 0,88. ¿Qué significa?

16

Un investigador compara dos instrumentos para medir ansiedad: Instrumento A: Alfa de Cronbach = 0,82 Instrumento B: KR-20 = 0,82 ¿Qué afirmación es correcta?

 
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