Key Science Skills review

A variable other than the IV that MAY influence the DV

Methodology type - observing and interacting with a selected environment

A short personal story or experience

A controlled experiment type - participants are in both the control and experimental conditions

Methodology type - An in-depth investigation of an individual or group

Methodology type - used to see if there is an association between two variables (but these are not controlled by the experimenters)

A controlled experiment type - there can be two IVs or a pre and post test

Is mood improved by a psychobiotic diet? The IV is

A controlled experiment type - participants are in one group only

The entire group of research interest

Sampling type - the sample is PROPORTIONATELY REPRESENTATIVE of the population on a particular characteristic

Data type - uses descriptions eg. open ended interview question

Data type - number based data eg. height

Variables that are kept constant by the researcher

Sampling type - every member of population has EQUAL CHANCE of being selected

The name of the group used in the research

A variable other than IV that HAS effected the DV

Methodology type - gather and analyse secondary data