What is a null hypothesis?

It suggests there is not a relationship between variables.

Usually qualitative and longitudinal

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AQA Psychology Research Methods

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20 questions on RM topics (this is duplicated from another Quiz)

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Questions 19

Answers

1
What type of graph is used for nominal data
Bar chart
pie chart
Histogram
Scattergraph
2
Which experimental design is used in a Sign Test
Independent design
Unrelated design
Related dseign
Correlation design
3
What are inferential statistics?
Test of significance
Tests of probability
Descriptive statistics
Hard maths
4
What is a null hypothesis?
It suggests there is a relationship is objective.
It suggests there is not a relationship between variables.
It suggests that the relationship is reliable.
It suggests that the variables have a positive relationship.
5
How can the reliability of a questionnaire be assessed?
Sign Test
Inter rater reliability
Counter balancing
Test-Retest
6
A parametric test can be used with which data?
Negative correlation
Positive correlation
Normal distribution
Skewed distruibution
7
What are the 3 D's?
Data, difference, Dance
Design, Data, Degrees of freedom
Design, Description, Data
Data, design, difference
8
Which correlation coefficient represents a strong positive correlation?
+0.92
+0.4
+0.50
+0.76
9
What is the type of graph used for a correlation?
Scattergram
Bar chart
Histogram
Pie chart
10
Which is the most reliable research method?
Non participant observations
Semi-structured interviews
Case studies
Lab experiments
11
Which section of a scientific report must inferential statistics be presented?
Introduction
Discussion
Results
Abstract
12
Which 2 types of validity are external?
Face and temporal
Face and concurrent
Temporal and ecological
Ecological and concurrent
13
An advantage of content analysis is..
It is scientific
It is ethical
It is reliable
It is objective
14
When testing nominal data and a correlation design, which test should be used?
Chi-Squared
Sign Test
Correlation co-efficient
t-test
15
A disadvantage of case studies are..
They are objective
They lack internal validity
They lack external validity
They are quatitiative
16
The usual level of significance in Psychology is...
+0.50
0.05
-0.35
0.01
17
Case studies are...
Usually quantitative and qualitative
Usually qualitative
Usually qualitative and longitudinal
Usually quantitiative
18
When testing interval data with a matched pairs design, which test should be used?
Chi-squared
Mann-Whitney
Wilcoxon
Related t-test
19
The most accurate level of measurement used in Psychology is...
Quantititive
Ordinal
Interval
Nominal

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