Lesson 2.2.3
2.2.3 Analysing experiments: descriptive and inferential statistics Quiz: Pearson Edexcel Psychology, Unit 2
20 questions
In partnership with Revision Ninja
Lesson 2.2.3, Analysing experiments: descriptive and inferential statistics: 20 multiple choice questions for the Pearson Edexcel Psychology (9PS0), Unit 2: Cognitive psychology, written with Revision Ninja.
Host it live on the board and students join with a game code on their own devices, or revise alone with Free Play. The answers are revealed in the game.
The 20 questions
-
What is the mean of the recall scores 4, 6, 6, 8 and 11?
- 8
- 7
- 6
- 11
-
What is the median of the recall scores 3, 5, 7, 7, 10 and 12?
- 10
- 7.5
- 7
- 9
-
What is the range of the recall scores 3, 5, 7, 7, 10 and 12?
- 9
- 10
- 7
- 12
-
Which measure of central tendency is most appropriate for ordinal level data?
- Mean
- Median
- Mode
- Standard deviation
-
What is the percentage of 18 correct answers out of 24 questions?
- 80%
- 72%
- 75%
- 67%
-
Which non-parametric test of difference is used for an independent groups design?
- Mann-Whitney U test
- Spearman's rho
- Wilcoxon test
- Chi-squared test
-
Which non-parametric statistical test of difference is used for a repeated measures design?
- Chi-squared test
- Wilcoxon test
- Mann-Whitney U test
- Related t-test
-
In psychological research, what standard probability threshold is used to determine statistical significance?
- p ≤ 0.10
- p ≤ 0.05
- p ≤ 0.50
- p ≤ 0.01
-
If an inferential test yields p = 0.03, what decision is made regarding the null hypothesis?
- Reject null hypothesis
- Discard the data
- Retain null hypothesis
- Accept null hypothesis
-
What is a Type I error in statistical hypothesis testing?
- False positive
- False negative
- True negative
- True positive
-
What is a Type II error in statistical hypothesis testing?
- True negative
- True positive
- False negative
- False positive
-
Which type of hypothesis requires a one-tailed inferential test?
- Alternative hypothesis
- Null hypothesis
- Directional hypothesis
- Non-directional hypothesis
-
Where are the mean, median, and mode located in a normal distribution curve?
- At the centre
- At both tails
- At the left
- At the right
-
In a skewed distribution, which measure of central tendency is pulled furthest towards the tail?
- Mean
- Range
- Median
- Mode
-
If a calculated Mann-Whitney U value is less than the critical value, what is the outcome?
- Insignificant result
- Type II error
- Significant result
- Type I error
-
What is the main function of descriptive statistics in quantitative data analysis?
- Testing significance
- Proving causality
- Summarising data
- Calculating probability
-
Which experimental design is tested using a Wilcoxon signed-ranks test?
- Observational design
- Repeated measures
- Natural experiment
- Independent groups
-
What do researchers compare their calculated test statistic against to determine significance?
- Critical value
- Standard deviation
- Mean score
- Degrees of freedom
-
Which type of graph displays continuous data with vertical bars touching each other?
- Histogram
- Bar chart
- Pie chart
- Scatter diagram
-
Which inferential test is used for an independent groups design with ordinal data?
- Chi-squared test
- Sign test
- Mann-Whitney U
- Wilcoxon test
Related quizzes
- Working memory model Quiz · 2.1.1 · 20 questions
- Multi-store model of memory Quiz · 2.1.2 · 20 questions
- Episodic and semantic long-term memory Quiz · 2.1.3 · 20 questions
- Reconstructive memory and schema theory Quiz · 2.1.4 · 20 questions
- Individual and developmental differences in memory Quiz · 2.1.5 · 20 questions
- Experimental design and controls Quiz · 2.2.1 · 20 questions
- Variables, hypotheses and validity Quiz · 2.2.2 · 20 questions
- Case studies of brain-damaged patients (HM) Quiz · 2.2.4 · 20 questions
- Baddeley, Schmolck, Steyvers and Hemmer, and Sebastian and Hernandez-Gil studies Quiz · 2.3.1 · 20 questions
- Key question: memory in society Quiz · 2.4.1 · 20 questions