RDA Seminar Q's

1. 1A psychologist used a 3x2 fully repeated measures ANOVA on their data. They had 40 participants in total. How many columns and rows would the SPSS file have?

   1. ASix columns and forty rows
   2. BThree columns and twenty rows
   3. CSix columns and ten rows
   4. DFive columns and forty rows.
2. 2Power is the probability of not making a (n)

   1. AType 1 error
   2. BType 2 error
   3. CStatistical error
   4. DExperimental error
3. 3The overall effect than an individual factor has on the DV is also referred to as a (n)

   1. Asimple effect
   2. Bmain effect
   3. Cinteraction effect
   4. Dexperimental effect
4. 4The correlation between two variables y and x is 0.11 with a significant of p<.01, what can we conclude?

   1. AThat there was a substantial relationship between y and x
   2. BThat variable y causes variable x
   3. CThat there is a small relationship between y and x
   4. DAll of the above
5. 5A researcher used a 3x3 mixed design ANOVA to analyse her data. How many DV's does she have?

   1. A2
   2. B1
   3. C9
   4. D6
6. 6What would be the appropriate SPSS commands for a mixed design?

   1. AAnalyze- General Linear Model- Multivariate
   2. BAnalyze- General Linear Model- Repeated Measures
   3. CAnalyze- General Linear Model- Univariate
   4. DAnalyze-Mixed Models - Linear
7. 7A psychologist uses a multiple regression analysis to examine the relationship of self-esteem, bullying and intelligence status on academic grade in children. The R2 value was .15 for the total model. What does this mean?

   1. AThe predictor variables accounted for 15% of the variance in academic grade.
   2. BThe predictor variables accounted for .15% of the variance in academic grade.
   3. CThe predictor variables accounted for 1.5% of the variance in academic grade.
   4. DThe predictor variables account do not significantly predict academic grade.
8. 830 pp's with severe depression were randomly allocated to one of three conditions-depression drug, placebo pill or a CBT treatment condition. Their depression scores both before and 3 months after their treatment were taken. What sort of design is this?

   1. A3x2 between subjects design
   2. B3x2 within subjects design
   3. C3x2 mixed design
   4. D3x2 random allocation design
9. 9Accepting the null hypothesis when it should have been rejected is an example of

   1. Aa Type 1 error
   2. BA Type 2 error
   3. CAlpha error
   4. DRandom Error
10. 10After examining output from SPSS, Holly found the means of her meditation group's mindfulness questionnaire to be 5.8, while her punk rocker group's mean was 7.5. Her p value for her test was 0.09. What can she conclude?

    1. AThe results are statistically significant
    2. BThe results are approaching significance
    3. CThe results are insignificant
    4. DThe results are not statistically significant

11. 11The F ratio is calculated by dividing the [blank_start]effect[blank_end] variance, by the [blank_start]error[blank_end] variance.

    1. Aeffect
    2. Bbetween
    3. Cwithin
    4. Derror
    5. Ebetween
    6. Feffect
    7. Gerror
    8. Hwithin
12. 12The direct effect that a factor has on the DV is also referred to as a (n)

    1. Asimple effect
    2. Binteraction effect
    3. Cexperimental effect
    4. Dmain effect
13. 13In a 3x3 mixed anova with repeated measures on the latter variable, how many DVs are there?

    1. A1
    2. B2
    3. C6
    4. D9
14. 14Herbert concludes that he is 95% confident in his conclusion that the typical university student studies between 2 and 4 hours a day. This is an example of a (n)

    1. Apoint estimate
    2. Binterval estimate
    3. Csample estimate
    4. Dinaccurate estimate
15. 15After finding significance in an one way ANOVA test with 3 levels, it is important to conduct a:

    1. AScatter plot
    2. BMann-Whitney U
    3. CPost-hoc test
    4. DLevine's test
16. 16Which of the following is a stronger correlation than r= -0.64

    1. A.0
    2. B-.48
    3. C.64
    4. D-.68
17. 17The order in which the treatments are administered can unintentionally create problems for the experimenter who is employing which research design?

    1. Asimple factorial designs
    2. Brepeated measures designs
    3. Cbetween-subjects designs
    4. Dnested deigns
18. 18Which type of effect size do researchers commonly report for a factorial ANOVA?

    1. ACohen's d
    2. BHedges' g
    3. CR2
    4. DEta-Squared (n2)
19. 19In a regression analysis how many predictor variables can be included in a single model?

    1. A1
    2. B2
    3. Cmore than two
    4. Dany number
20. 20What is a mixed design?

    1. Awhen participants are randomly allocated and mixed in each condition
    2. Bwhen there is a mix of between and within subject elements
    3. Cwhen there are main and interaction effects
    4. Dwhen both correlational and experimental designs are used
21. 21In a normal distribution of scores, roughly how many of these scores will fall between -2SD and +2SD?

    1. Aless than 5%
    2. B99%
    3. C68%
    4. D95%
22. 22Which of these statements about statistical power is true:

    1. APower is the ability of a test to detect an effect
    2. BWe can use power to determine how big a sample is required to detect an effect of a certain size
    3. CPower is linked to the probability of making a type 2 error
    4. DAll of the above are true
23. 23A scientist wanted to test the effects of a new anti-depression drug. He administered several dosages (including a placebo) to depressed clients. After a month of taking the drug, patients are scored on the Beck Depression Inventory (BDI) to measure their depression symptoms. The IV in this study is the [blank_start]drug dosage[blank_end] and the DV is the [blank_start]BDI scores[blank_end].

    1. ABDI scores
    2. Bdrug dosage
    3. Cp-value
    4. Dpatients
    5. Ep-value
    6. Fdrug dosage
    7. GBDI scores
    8. Hpatients
24. 24A recent study was conducted to examine viewers cognitive processing following different types of television programmes. The viewers watched either a comedy programme or a documentary. This is an example of what type of factorial design?

    1. AWithin-subjects design
    2. BMixed design
    3. CBetween-subjects design
    4. DCorrelational
25. 25After running an ANOVA on her field data, Dr. Watson found a Cohen's d effect size of 1.04. According to the values put forth by Cohen (1988), what level of effect is this?

    1. ALow
    2. BMedium
    3. CHigh
    4. DImpossible

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Quiz on RDA Seminar Q's, created by kiren bains on 09/12/2016.

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