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Duplicate of Statistical stuff (Eduqas Psychology) Flashcards | StudBud
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Duplicate of Statistical stuff (Eduqas Psychology)
Duplicate of Statistical stuff (Eduqas Psychology)
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Key terms relating to data analysis
Flashcards
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Questions
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Answers
1
Between -1 and +1 standard deviations are...
66% of all the values
50% of all the values
68% of all the values
2
Levels of measurement. Which is nominal data?
Type of mental illness
Small, medium, large
1.5 kilometres
3
One characteristic of the normal distribution
Frequency is on the x-axis
The graph is symmetrical
The standard deviation lies at the mid-point
4
Normal distribution. 95% of values lie
Between -2 and +2 standard deviations
Between +1 and +2 standard deviations
Between -1 and +1 standard deviations
5
Which descriptive statistics is distorted by extreme scores?
Mean
Median
Mode
6
Which of the following is an example of un-related data?
Male and female test scores
Anxiety scores before and after therapy
A comparison of IQ scores from MZ twins
7
Another criteria for choosing a test is ...
if you have related or un-related data
the type of research method
if you have a large sample
8
Levels of measurement. Example of interval data?
Marks out of 10 for attractiveness
Attraction levels 1, 2, and 3
Attractive, Very attractive, Gorgeous
9
Statistical tests crunch all the data and produce just one figure
The observed value
The critical value
The standard deviation
10
The standard deviation is...
the mean of the deviations from the mean
the deviation of the mean from the median
the sum of the mean, median and mode
11
Levels of measurement. Example of ratio data?
300 ml of coffee
With or without milk?
Small, medium and large coffee
12
The critical value is found by...
referring to the standard deviation
referring to the test formula
referring to a table of figures
13
A Spearmans test is used when testing ...
a difference with related, ordinal data
an association with related, ordinal data
an association with un-related, nominal data
14
The range is a measure of...
Central tendency
Dispersion
Deviation
15
Scores from an easy Psychology test will be.....
Negatively skewed
Positively skewed
Normally distributed
16
There are two main types of statistical test. Tests of...
Association and significance
Difference and probability
Difference and association
17
Which of the following is an example of related data?
Comparison of male and female dream content
Finger ratio and visual perception speed
44 thieves and a control group (not thieves)
18
Levels of measurement. Example of ordinal data?
Mock exam percentage
Students who passed or failed
Mock exam grade
19
Which is the most sensitive/accurate measure of central tendency?
Mode
Mean
Median
20
The critical value will depend upon the type of hypothesis...
Directional or one-tailed
Directional or null
One tailed or two-tailed
21
What is the median?
A measure of dispersion
A measure of central tendency
A measure of significance
22
Measure of central tendency?
Standard deviation
Range
Mean
23
For greater confidence in the results, psychologists may also test at the ...
0.10 level of significance
0.01 level of significance
0.5 level of significance
24
A Mann Whitney test is used when testing...
a difference with un-related, ordinal data
an association with un-related, nominal data
a difference with related, nominal data
25
P≤0.05. The probability that the data is due to chance is.....
Greater than (or equal to) 1:20
Less than (or equal to) 5%
Greater than (or equal to) 5%
