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Test

Chi -square

Toyin Oshodi 14 preguntas Actualizado el 7 mar 2017

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Preguntas del test (14)

  1. 1When is it appropriate to use chi-square
    1. AWhen you want to see whether there is an association between two categorical variables
    2. BWhen you want to compare male to female verbal reasoning scores that are normally distributed and both samples show homogeneity of variance
      Correct answer
    3. CWhen you want to compare the frequency of males to females who study Psychology
    4. DYou want to compare male to female verbal reasoning scores that are not normally distributed and do not show homogeneity of variance
    5. E1, 3, 5
  2. 2The correct way to report the results of the chi-square?
    1. At(1)=12.13, p<0.001
    2. Bχ² (1) = 12.13, p<0.001
    3. Cχ² (1) = 11.83, p=.001
    4. Dχ² (1) = 12.84, p<.00
    5. Eχ² (1) = 12.13, p=ns
  3. 3Referring to the SPSS output below again, which statements below are TRUE?

    (Tick all statements that are TRUE)    Imagen de la pregunta 3
    1. A3 year old children were significantly more likely to pass the false belief task than 4 year olds
    2. BResults of the chi-square test indicate that there was a significant association between age and passing the false belief task
    3. CResults of the chi-square indicate that four year olds were signficantly more likely to pass the false belief task than 3 year olds
    4. DResults of the chi-square indicate that there was no significant association between age and likelihood of passing the false belief task
    5. E3 year olds were not significantly less likely to pass the false belief task than 4 year olds
    6. F2 and 3
    7. G4 and 5
  4. 4Which of the statements are true about chi-square
    1. AThe Chi-square test is a non-parametric test of difference
    2. BThe Chi-square test compares the frequency of observed events to the frequency expected by chance
    3. CChi-square tests are appropriate for analysing categorical variables
    4. DTo perform a chi-square, the data needs to be normally distributed and for more than one sample, need to show homogeneity of variance
    5. EChi-square tests can compare data from related group
    6. F3, 4, 1
    7. G1, 2, 3
  5. 5A chi-square was used to compare the frequency of cats who danced when trained with food or trained with affection.

    The results of the chi-square were: χ²(1) = .98, p=.94

    Which statements below are TRUE?
    1. AResults of the chi-square indicate a significant association between the type of training cats received and the likelihood that they would dance
    2. BResults of the chi-square indicate a non-significant association between the type of training cats received and the likelihood that they would dance
    3. CThe degrees of freedom were 5
    4. DThe value of the Pearson chi-square statistic is .98
    5. EThe results of the chi-square indicate that cats trained with food were significantly more likely to dance than cats trained with affection
    6. F2 and 4
    7. G5 and 6
  6. 6referring to the SPSS output below
    what statements are true     Imagen de la pregunta 6
    1. AResults of the chi-square indicate a significant association between the type of training cats received and the likelihood that the cat would dance
    2. BResults of the chi-square indicate that cats were not significantly more likely to dance when training with food as opposed to affection
    3. Cχ²(1)=1.32, p=.252
    4. DThe total number of cats who danced was 15 compared to 65 who did not dance
    5. E1 and 2
    6. F2 and 4
  7. 7non - parametric tests can be used as an alternative to parametric tests
    1. AVerdadero
    2. BFalso
  8. 8non- parametric tests can use data at a nominal data
    1. AVerdadero
    2. BFalso
  9. 9Non-parametric tests are often not as powerful as parametric statistical tests: can fail to detect [blank_start]differences[blank_end]
    1. Adifferences
  10. 10used in unrelated data. Every participant / case yields data for only one category.
    1. AVerdadero
    2. BFalso

Información

Descripción
MY DEGREE Test sobre Chi -square, creado por Toyin Oshodi el 06/03/2017.
Idioma
English
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Creado el 6 mar 2017 · actualizado el 7 mar 2017
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