Slides in this set

Slide 1

Preview of page 1

Unit 1 Psychology…read more

Slide 2

Preview of page 2

Operationalise: making a
· observational techniques ­ watch
theory into something
and record people's behaviour
you can test
· self report ­ people tell you abot
themselves through interviews or
· case study ­ one person or a
· manipulating a situation to small group or studied intensely
find out how one factor
affects another factor · correlational analysis ­ 2 pieces
· other things are kept the of information are collected and
same, which are called analysed to see if there is a link
controls between them…read more

Slide 3

Preview of page 3

Participant variables:
· demand characteristics
· social desirability
· cues in the environment
which help the participant
work out the hypothesis of a
· single-blind technique ­ don't Order effects:
let the participants know the · practice
aim · boredom
· double-blind technique ­ · fatigue
researcher does not know the · can affect the participants'
aim performance in the next task
Practice effects:
· may develop a strategy to
improve performance
· counterbalancing ­ changing the
order of conditions/tasks…read more

Slide 4

Preview of page 4

Experimental methods
Method Strengths Weaknesses
Lab ­ special environment -high level of control -can lack ecological
where variables can be - can be repeated easily validity
carefully controlled - can conclude cause and - higher chance of
effect investigator/ participant
Field ­ manipulation in a -can conclude cause and -less control over
more natural environment effect extraneous variables
- higher levels of - more time consuming
ecological validity - random allocation
- reduction of participant difficult
Natural ­ independent -useful where it would be -cause and effect cannot
variable is naturally unethical to manipulate be determined
occurring the independent variable - no random allocation
- high levels of ecological
validity…read more

Slide 5

Preview of page 5

Experimental design
Design Strengths Weaknesses Remedy (if applicable)
Repeated -participant -order effects -counterbalancing
measures ­ one variables -demand -single-blind technique
group, 2 eliminated characteristics
conditions -uses fewer
Independent -no order effects -participant -random allocation
groups ­ 2 -reduced demand variables
groups, 2 characteristics
Matched pairs -no order effects -difficult to match
-control participants
variables…read more

Slide 6

Preview of page 6

Aim ­ a general statement about the purpose of an
Hypothesis ­ a precise statement about the expected outcome of
the experiment
-Null hypothesis ­ no difference/no effect
- Directional hypothesis ­ stating there will be a difference and how
- Non-directional hypothesis ­ stating there will a difference of
some sort…read more

Slide 7

Preview of page 7
Preview of page 7

Slide 8

Preview of page 8
Preview of page 8

Slide 9

Preview of page 9
Preview of page 9

Slide 10

Preview of page 10
Preview of page 10


No comments have yet been made

Similar Psychology resources:

See all Psychology resources »