What is unrelated design?
Independent groups
What is related design?
Repeated measures
What are investigator effects?
Any effect of the investigators behaviour on the research outcome
What is a quasi experiment?
They have an IV that is based on an existing difference between people (e.g. age or gender)
What are the four ethical issues to consider in psychological research?
Informed consent, deception, protection from harm and confidentiality
What is a pilot study?
A small-scale trial run of the actual investigation to check the investigation runs smoothly
What is a single blind procedure?
Participants do not know the aims of the study or which condition they are in, or whether there is another condition at all
What is a double blind procedure?
Neither the participants or the researcher know the aims of the study or the condition they are in
What is a covert observation?
The participants are unaware that they are the focus of the study and their behaviour is observed in secret
Such behaviour must be public anyway for the observation to be ethical
What is an overt observation?
Participants give informed consent to being observed
What is a participant observation?
The researcher becomes a member of the group whose behaviour they are watching and recording
What is event sampling?
Counting the number of times a behaviour occurs in an individual or group
What is time sampling.
The researcher records behaviour of the individual or group within a pre established time frame
Outline a negatively skewed distribution
The mode is greater than the median, which is greater than the mean
Mode>median>mean
Outline a positively skewed distribution
Mean>median> mode
What is the first step of the Sign test?
Subtract the two covariables
If the result is negative, we record a negative sign and if the answer is positive we record a plus sign
What is step two of the sign test?
Total the plus signs and minus signs
What is step 3 of the sign test?
We take the less frequent sign and call this S
What is step 4 of the sign test?
Compare the S value to the critical value.
The calculated value of S must be less than or equal to the critical value
What is peer review?
The assessment of scientific work by others who are specialists in the same field to ensure that any research intended for publication is of high quality
What are the 3 main aims of peer review?
Why is anonymity key in peer review?
This is likely to produce a more honest appraisal
What is publication bias- peer review?
Editors of journals ant to publish significant findings to increase the credibility and circulation of their publication
So research that does not meet this criteria may be discarded
What is test re test reliability?
Administering the same test or questionnaire to the same person on different occasions
The same/ similar results should be produced