1. 2012
M. Reynolds
Psychology
AS level
Exam date: 10th
January 2013
Investigation design
Methods and techniques
Data analysis and presentation
PSYA1: Research Methods
(workbook)
2. Name: If found please return to F48!
Welcome to research methods. This is the workbook we’ll be using for this topic. Use
the books to improve your knowledge, if you don’t catch something in class look it up
in your text book.
Wherever you see “key words” make sure you have noted down the meaning of the
word!
Aims and hypotheses (p90-93)
Key words:
Hypothesis
Aim
Experiment
Variable
Experimental hypothesis
Alternative hypothesis
A hypothesis is......
The different types of hypothesis are:
1. .
2. .
3. .
1.
2.
3.
3. Name: If found please return to F48!
One tailed
hypothesis.
Directional
hypothesis.
Hypothesis has a
definite direction – the
outcome/direction is
predicted.
Ppts will recall
more trigrams in
the visual
interference group.
Two tailed
hypothesis.
Non-directional
hypothesis.
Hypothesis has no
definite direction. The
results could turn out
either way.
There will be a
difference in the
recall of trigrams
for ppts in the
visual interference
group.
Null hypothesis. Hypothesis is very
precise stating that
nothing will happen.
There will be no
difference in the
recall of trigrams in
the visual
interference group.
What does it mean to make variables operationalised?
Internal validity VS external validity. Explain the difference.
What are the three types of validity?
Activity: Answer questions 2-5 on p94.
5. Name: If found please return to F48!
Key words
Independent variable
___________________________________________________________________
___________________________________________________________________
Dependent variable
___________________________________________________________________
___________________________________________________________________
Extraneous variable
___________________________________________________________________
___________________________________________________________________
Define the key words shown above.
What kinds of extraneous variables do we encounter?
Explain the term “demand characteristics” and how it affects psychological
experiments.
Investigator effects are......
6. Name: If found please return to F48!
Single blind technique is when you
___________________________________________________________________
_____________________________________________________________
Double blind technique is when you
___________________________________________________________________
______________________________________________________________
Sampling
Name the three types of sample:
Type of
sampling
Definition Method Population validity
Random
Opportunity
Volunteer
7. Name: If found please return to F48!
Ethics
What 9 aspects of ethics does the BPS (British Psychological Society) cover?
1.
2.
3.
4.
5.
6.
7.
8.
9.
The main ethical issues in psychology revolve around deception, informed consent
and protection of participants.
Explain these issues:
Deception
Informed consent
Protection of
participants
8. Name: If found please return to F48!
What methods can we use to try and deal with these issues?
Deception
Informed consent
Protection of participants
Activity: answer questions 12-14 on p103
Choosing a research method
9. Name: If found please return to F48!
Type of
experiment
Description Advantages Disadvantages
Laboratory
experiment
Field
experiment
Natural
experiment
10. Name: If found please return to F48!
What three things need to be present for an experiment to be classed as a “true”
experiment?
1.
2.
3.
Activity: answer questions 1-3 p108.
11. Name: If found please return to F48!
Design Description When
should it be
used?
Advantages Disadvantages Controls
Repeated
measures
Independent
groups
design
Matched
pairs design
12. Name: If found please return to F48!
Explain order effects.
What is counterbalancing?
Observational methods
Types of observation are naturalistic observation and controlled observation.
What is the difference between the two?
Activity: create a table showing the different types of observation along with their
advantages and disadvantages. Use p114 to help you. (If you use a separate sheet
make sure you attach it to this booklet!)
13. Name: If found please return to F48!
Correlational methods
Sketch a positive correlation
Sketch a negative correlation
Give two examples of “correlational statistical techniques”
Advantages of correlation are......
Disadvantages of correlation are....
Surveys and interviews
14. Name: If found please return to F48!
Key word: social desirability
What is a survey?
What is an interview?
A question can be either open, or closed.
State the strengths and weaknesses of open questions.
State the strengths and weaknesses of closed questions.
What key things do you need to take into account when constructing a survey or
interview?
Case studies
15. Name: If found please return to F48!
Key word: idiographic
What is a case study?
Advantages of the case study are.....
Disadvantages of the case study are....
Measures of central tendency (mean, median, mode)
Key words: Qualitative VS quantitative
• Qualitative data is data that focuses more on words/language.
• Quantitative data is data that is collected numerically (using numbers).
Activity: create a table that shows the three types of central tendency measures
(mean, median and mode), an explanation of each and their advantages and
disadvantages.
Measures of dispersion
16. Name: If found please return to F48!
How do you calculate the range of a set of results?
When should you use range?
What are the advantages and disadvantages of range?
Standard deviation (SD):
What is it and when do you use it?
How do you calculate standard deviation?
What are the advantages and disadvantages of SD?
Graphs
17. Name: If found please return to F48!
Sketch a histogram
When should you use a histogram?
Sketch a bar-chart
When should you use a bar chart?
Sketch a scattergram (scattergraph)
When should you use a scattergram?
Qualitative analysis
18. Name: If found please return to F48!
Key words:
Content analysis
Coding
What does qualitative mean?
What is content analysis?
What is pure qualitative analysis?
Other notes