research methods Flashcards
self report
first hand record from participant, excellent source of data not necessarily accurate.
observation
look at that is happening and record it.
experiments
to see if one factor causes a difference in behaviour.
correlation
looking at differences between groups
opportunity sampling
selecting people who are most easily available at the time, easiest, inevitably biased.
random sampling
using a random technique so everyone has an equal chance, unbiased, takes more time and effort.
self selected sampling
asking for volunteers, convenient way to find willing participants, less likely to drop out, same characteristics that make them volunteer.
snowball sampling
referrals form initial participants to generate additional participants, locates a large group who are difficult to access, not a good cross-section of population.
generalisability
to be able to draw conclusions about people form the research they conduct with a small sample.
anonymity and confidentiality
participants right to have personal information protected.
deception
when a participant is not told the true aims of a study.
informed consent
participants are given a comprehensive information concerning the nature and purpose of a study and their role in it.
privacy
refers to a person’s right to control the flow of information about themselves.
right to withdraw
participants should be told that they can stop participating in a study if they are uncomfortable.
protection from harm
participants shouldn’t suffer negative physical or psychological effects.
questionnaire
easily repeated, more willing to reveal personal info, group involved may be biased.
open question
provide own answers provides qualitative data, rich details, difficult to detect patterns.
structured interview
predetermined questions delivered by an interviewer who doesn’t probe, can be easily repeated, easier to analyse, expectations may influence answers.
closed question
easily repeated, more willing to reveal personal info, group involved may be biased.
semi-structured interview
some questions predetermined new questions as interview proceeds, more detailed info, access info that may not be revealed otherwise, interviewer bias, leading questions.
rating scale
Likert (agree/disagree), semantic differential (attitude), reasonably objective, quantitative data, ‘middle of the road’.
internal reliability
whether a questionnaire is consistent within itself.