Lesson 4.2.3.3.2
4.2.3.3.2 Choosing and using statistical tests Quiz: AQA Psychology, Unit 2
20 questions
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Lesson 4.2.3.3.2, Choosing and using statistical tests: 20 multiple choice questions for the AQA Psychology (7182), Unit 2: Psychology in context, written with Revision Ninja.
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The 20 questions
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Which test is used to analyse a correlation between two co-variables measured at ordinal level?
- Pearson's r
- Spearman's rho
- Chi-squared test
- Mann-Whitney U
-
Which test is appropriate for a correlation between two interval-level variables with normally distributed data?
- Pearson's r
- Sign test
- Wilcoxon test
- Spearman's rho
-
Which test is used to compare two independent groups when the data are ordinal?
- Mann-Whitney test
- Related t-test
- Pearson's r
- Wilcoxon test
-
Which test is used for a repeated measures design with ordinal data?
- Spearman's rho
- Unrelated t-test
- Mann-Whitney test
- Wilcoxon test
-
Which test is used to analyse frequency data in categories from independent groups?
- Pearson's r
- Related t-test
- Wilcoxon test
- Chi-squared test
-
Which test requires interval data, a repeated measures design and normally distributed scores?
- Sign test
- Mann-Whitney test
- Spearman's rho
- Related t-test
-
Which experimental design uses different participants in each experimental condition?
- Repeated measures
- Related design
- Matched pairs
- Unrelated design
-
A psychologist measures hours of revision and exam score for 30 students. Both variables are interval level and normally distributed. Which test should be used?
- Spearman's rho
- Chi-squared test
- Mann-Whitney test
- Pearson's r
-
Twenty-five students rank their happiness and their stress on the same ordinal scale. Which correlation test is most suitable?
- Pearson's r
- Spearman's rho
- Wilcoxon test
- Unrelated t-test
-
Two independent groups each give scores on an interval scale that is normally distributed. Which test is appropriate?
- Pearson's r
- Unrelated t-test
- Wilcoxon test
- Related t-test
-
The same 15 participants are tested before and after a training programme. Their scores are ordinal rankings. Which test is suitable?
- Wilcoxon test
- Pearson's r
- Mann-Whitney test
- Chi-squared test
-
A researcher counts how many men and women choose each of three brands. The two groups are independent. Which test is most suitable?
- Chi-squared test
- Spearman's rho
- Related t-test
- Sign test
-
A study compares anxiety ratings given on an ordinal scale by two independent groups of participants. Which test is appropriate?
- Related t-test
- Chi-squared test
- Mann-Whitney test
- Pearson's r
-
Which statistical test is suitable for a related design using ordinal data?
- Unrelated t-test
- Wilcoxon test
- Chi-squared test
- Mann-Whitney test
-
A psychologist has interval data from a repeated measures design, but the scores are clearly not normally distributed. Which test is most appropriate?
- Unrelated t-test
- Pearson's r
- Related t-test
- Wilcoxon test
-
Which level of measurement is required to conduct a Chi-squared test?
- Nominal data
- Ratio data
- Ordinal data
- Interval data
-
Why can ordinal data NOT be treated as interval data in statistical testing?
- Categorical scale
- Normal distribution
- Equal variance
- Unequal intervals
-
Which statistical test is used for a related design with parametric interval data?
- Wilcoxon test
- Mann-Whitney test
- Unrelated t-test
- Related t-test
-
Besides experimental design and hypothesis type, what determines the choice of statistical test?
- Standard deviation
- Sampling method
- Sample size
- Level of measurement
-
What is the main risk of using a parametric test on heavily skewed interval data?
- Sampling bias
- Type II error
- Demand characteristics
- Invalid conclusions
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