research methods definitions Flashcards
correlation
an association between 2 co-variables
correlation coefficient
represents the strength of the correlation and its direction
case studies
the use of a descriptive research approach to obtain an in-depth analysis of a person, group, or phenomenon
overt
- a behaviour that is observable
- ppt knows they are being observed
covert
- a behaviour that is implict
- ppt does not know they are being observed
reliability
a measure of consistency
validity
whether an observed effect is genuine and represents what it is actually meant to
type 1 error
the null hypothesis is rejected and an alternative hypothesis is accepted
type 2 error
the null hypothesis is accepted but the alternative one is ‘true’
falsifiability
proof is not possible
replicability
can it be done again to get same results
- tests the validity of researchers findings
obejectivity
to reduce bias in research
inter-rater reliability
the extent to which a psychiatrists can agree on the same diagnosis of SZ when independaently assessing patients