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practice questions
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Fragen in diesem Quiz (24)
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?
- A3 columns and 20 rows
- B6 columns and 40 rows
- C6 columns and 10 rows
- D5 columns and 40 rows
2power is the probability of not making a...
- Atype 1 error
- Btype 2 error
- Cstatistical error
- Dexperimental error
3The overall effect that an individual factor has on the dependent variable is also referred to as a..
- Asimple effect
- Bmain effect
- Cinteraction effect
- Dexperimenter effect
4A researcher used a 3x3 mixed design ANOVA to analyse her data. How many dependent variables does she have?
- A2
- B1
- C9
- D6
5what would be the appropriate SPSS commands for a mixed design?
- Aanalyze- general linear model - multivariate
- Banalyze - general linear model - repeated measures
- Canalyze - general linear model - univariate
- Danalyze - mixed models - linear
6A psychologist uses a multiple regression 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?
- Athe predictor variables accounted for 15% of variance in academic grade
- Bthe predictor variable account for .15% of the variance in academic grade
- Cthe predictor variable account for 1.5% of the variance in academic grade
- Dthe predictor variable do not account significantly in predicting academic grade
7thirty participants 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 after 3 months of treatment were taken. what sort of design of this?
- A3 X 2 between subjects design
- B3 X 2 within subjects design
- C3 X 2 mixed design
- D3 X 2 random allocation design
8after examining output from spss, holly found the means of her mediation 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?
- Athe results are statistically significant
- Bthe results are approaching significance
- Cthe results are insignificant
- Dthe results are not statistically significant
9accepting the null hypothesis when it should have been rejected is an example of
- Atype 1 error
- Btype 2 error
- Calpha error
- Drandom error
10The F ratio is calculated by dividing the [blank_start]effect[blank_end] variance, by the [blank_start]error[blank_end] variance.
- Aeffect
- Berror
11the direct effect that a factor has on the dependent variable is also referred to as a
- Asimple effect
- Binteraction effect
- Cexperimental effect
- Dmain effect
12in a 3x3 mixed anova with repeated measures on the latter variable, how many DVs are there?
- A1
- B2
- C3
- D4
13Herbert concludes that he is 95% confident in his conclusion that the typical uni student studies between 2 and 4 hours a day. this is an example of a
- Apoint estimate
- Binterval estimate
- Csample estimate
- Dinaccurate estimate
14After finding significance in an one-way ANOVA test with 3 levels, it is important to conduct a:
- Ascatter plot
- Bmann-whitney u
- Cpost-hoc test
- Dlevines test
15which of the following has a stronger correlation than r = .64?
- A.0
- B-.48
- C-64
- D-.68
16in order in which the treatments are administered can unintentionally create problems for the experimenter who is employing which research design?
- Asimple factorial design
- Brepeated measures design
- Cbetween subjects design
- Dnested design
17which type of effect size do researchers commonly report for a factorial ANOVA?
- Acohen's d
- Bhedges' g
- CR2 (variance accounted for by model)
- Deta-squared (n2)
18in a regression analysis how many predictor variables can be included in a single model?
- A1
- B2
- Cmore than 2
- Dany number
19what is a mixed design?
- Awhen participants are randomly allocated and mixed in each condition
- Bwhen there is mix of between and within subject elements
- Cwhen there are main and interaction effects
- Dwhen both correlational and experimental designs are used
20In a normal distribution of scores, roughly how many of these scores will fall between -2SD and +2SD
- Aless than 5%
- B99%
- C68%
- D95%
21which of these statements about statistical power is true?
- Apower is the ability of a test to detect an effect
- Bwe can use power to determine how big a sample is required to detect an effect of a certain size
- Cpower is linked to the probability of making a type 2 error
- Dall the above
22A recent study was conducted to examine viewers cognitive processing following different types of television programmes. the viewers watched either a comedy or a documentary. this is an example of what type of factorial design ?
- Awithin subjects design
- Bmixed design
- Cbetween subjects design
- Dcorrelational
23after running an ANOVA on her field data, Dr.watson found a cone's d effect size of 1.04. according to the values put fourth by Cohen (1988), what level of effect is this?
- Alow
- Bmedium
- Chigh
24[blank_start]within[blank_end] subjects design is when all the participants experience multiple conditions, e.g. repeated measures.
[blank_start]between[blank_end] subjects design is when the participants experience separate conditions.- Awithin
- Bbetween
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- Beschreibung
- RDA 2 QUANTITATIVE Quiz am practice questions , erstellt von flora strange am 30/12/2016.
- Autor
- flora strange
- Sprache
- English
- Aufrufe
- 4
- Schlagwörter
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