Experiments Flashcards
What are the problems with laboratory experiments?
Artificial environment
The Hawthorne effect
Ethical problems
Participants have free will
What are the advantages of field experiments?
Less artificiality
Validity
What are the disadvantages of field experiments?
Less control over variables
Limited application
Ethical problems
What are questionnaires?
A method of gathering responses by asking pre-set questions which tend to be closed-ended with pre-coded answers.
What are the advantages of questionnaires?
Quick and cheap Reliable Useful for testing hypotheses Detachment and objectivity Representative Lack of ethical issues
What are the disadvantages of questionnaires?
If detached you don't know who completed the questionnaire Response rate may be low Inflexibility Detachment Socially desired answers Imposing the researcher's meanings.
What are the two types of interviews?
Structured
Unstructured
What are the advantages of structured interviews?
Reliability
Representativeness
Low cost
Contact with interviewee
What are the disadvantages of structured interviews?
Lack of validity
Reliability may be reduced due to interviewer effect
Cost of employing and training interviewers
Sensitive issues
What are the disadvantages of unstructured interviews?
Strong rapport may make interviewee give the answer that the researcher wants to hear Lack of reliability Lack of representativeness Not suitable for sensitive issues Cost