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Inferential Statistics - OCR A Level Psychology Research Methods Flashcards | StudBud
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Inferential Statistics - OCR A Level Psychology Research Methods
Inferential Statistics - OCR A Level Psychology Research Methods
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A level linear Psychology data analysis test
Flashcards
40 cards
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Practice quiz
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Questions
40
Answers
1
Data collected from Government statistics and newspapers is called...
Primary data
Secondary data
Quantitative data
Qualitative data
2
Would a probability level of p>0.05 be significant?
No
Yes
Probably
Possibly
3
Would a probability level of p<0.05 be significant?
Possibly maybe
Probably not
Yes
No
4
What are the requirements of a parametric test?
Interval/ratio data
Nominal data
A big difference in standard deviation scores
Normal distribution of scores
5
If your probability level is p<0.05 which hypothesis should you accept?
Alternate hypothesis
Null hypothesis
Dispositional hypothesis
Negative hypothesis
6
What is the median of the following scores: 10, 6, 7, 2, 5?
6
10
7
5
7
rₛ = 0 What type of correlation is this?
Weak positive
Weak negative
Strong positive
No correlation
8
20% of a psychology class fail the exam, what is this as a fraction?
2/10ths
1/5th
1/20th
2/5ths
9
0.05 is what as a percentage?
5%
50%
0.5%
25%
10
What is the range of the following scores? 2, 4, 5, 8, 10, 15, 25, 29
25
27
29
4
11
If you had a matched pairs design and ordinal data, what test would you use?
Mann-Whitney U test
Spearman's rho test
Wilcoxon signed ranks test
Chi-square test
12
What word do we use to describe removing a piece of data from a data set because the value becomes 0 during analysis?
Remove
Outlier
Omit
Delete
13
What type of graph is this?
Pie chart
Bar chart
Scatergraph
Frequency polygon
14
What statistical test would you use with ordinal data and independent measures design?
Wilcoxon signed ranks
Chi-square test
Spearman's rho
Mann-Whitney U test
15
What can we predict from the data plotted on the scatter graph?
rₛ
How evenly the data is distributed
Correlation coefficient
The variance
16
Which test would you use? Repeated measures and ordinal/interval data
Chi-squared
Mann-Whitney U
Spearman's Rho
Wilcoxon
17
What type of distribution is this?
A negatively skewed distribution
A positive correlation
A normal distribution
A positively skewed distribution
18
Which non-parametric statistical test would you use with a correlation?
Wilcoxon signed ranks test
Mann-Whitney U test
Sign test (Binomial)
Spearman's rho
19
Which statistical tests use nominal data?
Mann-Whitney U test
Sign test (Binomial)
Chi-square test
Spearman's rho test
20
What type of graph is most appropriate for displaying correlational data?
Bar chart
Line graph
Scatter graph
Histogram
21
What type of correlation does this graph show?
Negative
A significant difference
Positive
No correlation
22
If you use a p<0.01 level of significance you are more likely to make a…
False positive
Significant result
Type 1 error
Type 2 error
23
Which type of data is the mode most likely to be used with?
Ratio
Nominal
Ordinal
Qualitative
24
What is the mean of the following scores? 5,10,5,8,2
10
6
3
5
25
rₛ = 0.8 What type of correlation is this?
Strong positive
Weak positive
No correlation
Strong negative
26
Which parametric statistical test would be used with ratio data and a correlation?
Spearman's rho
Related t-test
Pearson's Product Moment test
Binomial Sign test
27
In this formula, what does the 'n' stand for?
Number of participants in both conditions combined
No scores
Number of participants in one condition
Negative correlation
28
What type of graph is this?
Frequency polygon (line graph)
Histogram
Bar chart
Scattergraph
29
A researcher collects scores out of 20 from participants on a memory test. This is....
Interval data
Nominal data
Ratio data
Ordinal data
30
Which statistical test has a value of 'T'?
Chi-squared
Wilcoxon
Mann-Whitney U
Spearman's Rho
31
Which of the following is NOT a requirement of a parametric test?
Nominal data
Similar variances
Interval/ ratio data
Normal distribution of scores
32
Data that involves participant's feelings and thoughts and is in written form is called...
Primary data
Quantitative data
Qualitative data
Secondary data
33
rₛ = -0.2 What type of correlation is this?
Strong positive
Weak positive
Strong negative
Weak negative
34
In p<0.05 what does the p stand for?
Probability
Possibility
Primary data
Partiality
35
What is standard deviation?
The square root of the variance
The average
The range
How scores vary from the mean
36
A researcher records how many participants have blue, green and brown eyes. This is..
Interval data
Nominal data
Ratio data
Ordinal data
37
Which test would you use? Nominal data and independent measures
Binomial Sign Test
Mann-Whitney U
Wilcoxon
Chi-squared
38
If you were conducting a correlational study, which statistical test would you use?
Wilcoxon
Chi-squared
Mann-Whitney U
Spearman's Rho
39
When would you NOT use the mean as a measure of central tendency?
When you had a skewed distribution
When you wanted to find the average
When you had extreme scores
When you had a normal distribution
40
A researcher records the reaction time of participant's. This is.....
Interval data
Nominal data
Ratio data
Ordinal data
