2563291
Research Design
- Independent measures design
- Advantages
- Participants randomly allocated to
different conditions to distribute
individual differences evenly
- There are no practise effects
- Participants randomly allocated to
different conditions to distribute
individual differences evenly
- Disadvantages
- Needs more participants
- May be individual differences between the
participants non-removable with the process
of random allocation
- Needs more participants
- Different participants are used in
each of the experimental conditions
- Advantages
- Repeated measures design
- Disadvantages
- Order effects
- Practise effect
- Participants improve in performance due
the repetition of the task
- Participants improve in performance due
the repetition of the task
- Fatigue effect
- Participants become tired and
bored and reduce in performance
- Participants become tired and
bored and reduce in performance
- Practise effect
- Order effects
- Advantages
- Requires fewer participants
- Individual differences are controlled
because in effect the participants are
compared against themselves
- Requires fewer participants
- Same group of participants is
used in each condition
- Disadvantages
- Matched participants design
- Disadvantages
- Large number of participants are needed
to be able to select matched pairs
- It's difficult to match certain
characteristics such as personalities
- Large number of participants are needed
to be able to select matched pairs
- Advantages
- Can be used when a repeated
measure design is not appropriate
- e.g. Performing a task twice
would result in a practise effect
- e.g. Performing a task twice
would result in a practise effect
- Can be used when a repeated
measure design is not appropriate
- Separate groups of participants who are matched on a
one-to-one basis using certain characteristics such as age,
gender
- Any individual differences they may
affect what is being measured
- Any individual differences they may
affect what is being measured
- Disadvantages
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