What is a null hypothesis?

It suggests there is not a relationship between variables.

When using Spearmans Rank or Pearson's r test, the calculated/observed value must be...

Equal to or MORE than critical value

Usually qualitative and longitudinal

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AQA Psychology Research Methods

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Questions 20

Answers

1
The usual level of significance in Psychology is...
0.01
0.05
-0.35
+0.50
2
A parametric test can be used with which data?
Negative correlation
Positive correlation
Skewed distruibution
Normal distribution
3
Which experimental design is used in a Sign Test
Unrelated design
Correlation design
Related dseign
Independent design
4
Which correlation coefficient represents a strong positive correlation?
+0.92
+0.4
+0.76
+0.50
5
A disadvantage of case studies are..
They lack internal validity
They are objective
They lack external validity
They are quatitiative
6
When testing nominal data and a correlation design, which test should be used?
Sign Test
t-test
Correlation co-efficient
Chi-Squared
7
When testing interval data with a matched pairs design, which test should be used?
Wilcoxon
Mann-Whitney
Related t-test
Chi-squared
8
What is a null hypothesis?
It suggests that the variables have a positive relationship.
It suggests there is a relationship is objective.
It suggests there is not a relationship between variables.
It suggests that the relationship is reliable.
9
Which is the most reliable research method?
Semi-structured interviews
Non participant observations
Case studies
Lab experiments
10
Thematic analysis in content analysis makes the data..
More reliable
More valid and reliable
More qualitative
More valid
11
How can the reliability of a questionnaire be assessed?
Counter balancing
Sign Test
Inter rater reliability
Test-Retest
12
What is the type of graph used for a correlation?
Line graph
Scatter graph
Hisogram
Scattergram
13
What are the 3 D's?
Design, Description, Data
Data, design, difference
Data, difference, Dance
Design, Data, Degrees of freedom
14
What are inferential statistics?
Descriptive statistics
Hard maths
Test of significance
Tests of probability
15
The most accurate level of measurement used in Psychology is...
Ordinal
Quantititive
Nominal
Interval
16
An advantage of content analysis is..
It is objective
It is ethical
It is scientific
It is reliable
17
Which 2 types of validity are external?
Face and temporal
Ecological and concurrent
Temporal and ecological
Face and concurrent
18
When using Spearmans Rank or Pearson's r test, the calculated/observed value must be...
Less than critical value
Less than or equal to critical value
Equal to critical value
Equal to or MORE than critical value
19
Which section of a scientific report must inferential statistics be presented?
Methodology
Discussion
Introduction
Abstract
20
Case studies are...
Usually qualitative and longitudinal
Usually quantitiative
Usually quantitative and qualitative
Usually qualitative

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