Psychology Research methods

The basic research methods

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Random Sampling - Every person in a given target population has an equal chance of being selected.

Oppurtunity sampling - The selection of anyone who is available

Advantages - It is easy

Disadvantages - Biased because unlikely to represent the target population

Volunteer sampling - Participants volunteer to take part in a study

Advantages - Gives access to a variety of participants

Disadvantages - People who volunteer may be more highly motivated than others





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