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Quiz

Week 1

Usuário eliminado 8 perguntas Atualizado em 19 mai 2019

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Perguntas do quiz (8)

  1. 1Why should you use an ANOVA, rather than lots of t tests?
    1. APerforming lots of t test increases the probability of making a Type 1 error
    2. BPerforming lots of t tests increases the probability of making a Type 2 error
    3. CPerforming lots of t tests increases the chance of failing to reject a false null hypothesis
    4. DAll of the above
  2. 2The ANOVA statistic is calculated by __________
    1. AMultiplying the between groups variance by the within groups variance
    2. BSubtracting the between groups variance from the within groups variance
    3. CAdding the between groups variance to the within groups variance
    4. DDividing the between groups variance by the within groups variance
  3. 3You calculate an F ratio and get a value more than 1. How would you interpret this?
    1. AThere is the less between groups variance than within groups variance
    2. BThere is the same amount of between groups variance and within groups variance
    3. CThere is no within groups variance
    4. DThere is more between groups variance than within groups variance
  4. 4You have calculated the SSbetween as 10 and the SStotal as 15. What would the SSwithin be?
    1. A25
    2. B0.067
    3. C-5
    4. D5
  5. 5Your study has four conditions with 20 participants in each condition. What would the dfwithin be?
    1. A77
    2. B76
    3. C79
    4. D80
  6. 6Which of the following is the correct way to calculate the MSbetween?
    1. ASSbetween ÷ dfbetween
    2. BSSbetween ÷ SStotal
    3. CSSbetween x dfbetween
    4. DSSbetween x dftotal
  7. 7What does eta squared tell us?
    1. AIf homogeneity has been established
    2. BIf there is a significant difference between groups
    3. CHow much of the variance in the independent variable can be accounted for by the dependent variable
    4. DHow much of the variance in the dependent variable can be accounted for by the independent variable
  8. 8If an author reports the results of an ANOVA as F (4, 65) = 9.56, p = .01, what is the between-groups degrees of freedom?
    1. A5
    2. B65
    3. C9.56
    4. D4

Informações

Descrição
O usuário eliminou as informações de disciplina Quiz sobre Week 1, criado por Usuário eliminado em 19-05-2019.
Autor
Usuário eliminado
Idioma
English
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24
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Criado em 19 mai 2019 · atualizado em 19 mai 2019

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