Please enable JavaScript.
Coggle requires JavaScript to display documents.
data handling and analysis - Coggle Diagram
data handling and analysis
variables
manipulation and control of variables
independant
the one the experimentor manipulates, assumed to have a direct effect on the dependant variable
dependant
thing being measured
extraneuous variables
variables that are not the independent variable, but could affect the results of the experiment
demand characteristics
if te-he ppt work out the aims of the research study, they may begin to behave in a certain way
reliability
measure of consistancy, if a particular measurement is repeated and the same result is obtained then it is described as being reliable
test retest reliablility - assessing the same person on two different occasions which shows the extent to which the test produces the same answers
inter observer reliabiluty
the extent to which there is an agreement between two or more observers
types of data
quantitive
numerical data
qualitative data
any type of data that can be observed and recorded that is not numerical in nature and can be in the form of written or verbal communication
primary data
first hand data collected for the purpose of the investigation
secondary data
information that has been collected by someone other than the person who is conducting the research
validity
face validity
does the test measure what its supposed to measure. this is done by 'eyeballing the measuring or by passing it to an expert to check
concurrent validity
the extent to which a psychological measure relates to an existing similar measure and obtains close results - a new intelligence test compared to an established test
ecological validity
the extent to which findings from a research study can be generalised to other settings/ real life
temporal validity
the extent to which findings from a research study can be generalized to other historical times
improving validity
assessment of validity
features of science
objectivity
when all sources of personal bias are minimised so not to distort or influence the research process
empirical method
scientific approaches that are based on the gathering of evidence through direct observation and experience
replicability
the extent to which scientific procedures and findings can be repeated by other researchers
falsifiability
the principle that a theory cannot be considered scientific unless it admits the possibility of being proved untrue
ethics
role of british psychological societies code of ethics
ethical issues in the design and conduct of psychological studues
dealing with ethical issues in research