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18166191
Week 1
Descripción
Psychology Test sobre Week 1, creado por Katie Morbey el 19/05/2019.
Sin etiquetas
psychology
Test por
Katie Morbey
, actualizado hace más de 1 año
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Creado por
Katie Morbey
hace más de 5 años
14
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Resumen del Recurso
Pregunta 1
Pregunta
Why should you use an ANOVA, rather than lots of t tests?
Respuesta
Performing lots of t test increases the probability of making a Type 1 error
Performing lots of t tests increases the probability of making a Type 2 error
Performing lots of t tests increases the chance of failing to reject a false null hypothesis
All of the above
Pregunta 2
Pregunta
The ANOVA statistic is calculated by __________
Respuesta
Multiplying the between groups variance by the within groups variance
Subtracting the between groups variance from the within groups variance
Adding the between groups variance to the within groups variance
Dividing the between groups variance by the within groups variance
Pregunta 3
Pregunta
You calculate an F ratio and get a value more than 1. How would you interpret this?
Respuesta
There is the less between groups variance than within groups variance
There is the same amount of between groups variance and within groups variance
There is no within groups variance
There is more between groups variance than within groups variance
Pregunta 4
Pregunta
You have calculated the SSbetween as 10 and the SStotal as 15. What would the SSwithin be?
Respuesta
25
0.067
-5
5
Pregunta 5
Pregunta
Your study has four conditions with 20 participants in each condition. What would the dfwithin be?
Respuesta
77
76
79
80
Pregunta 6
Pregunta
Which of the following is the correct way to calculate the MSbetween?
Respuesta
SSbetween ÷ dfbetween
SSbetween ÷ SStotal
SSbetween x dfbetween
SSbetween x dftotal
Pregunta 7
Pregunta
What does eta squared tell us?
Respuesta
If homogeneity has been established
If there is a significant difference between groups
How much of the variance in the independent variable can be accounted for by the dependent variable
How much of the variance in the dependent variable can be accounted for by the independent variable
Pregunta 8
Pregunta
If an author reports the results of an ANOVA as F (4, 65) = 9.56, p = .01, what is the between-groups degrees of freedom?
Respuesta
5
65
9.56
4
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