STATISTICS A level Psychology
,TYPES OF DATA
QUALITATIVE DATA QUANTITATIVE DATA
Words Numerical information
✓ More in-depth and detailed about opinions ✓ High in reliability
and experiences, increases internal validity
✓ Less open to subjective interpretation,
More subjective to interpret findings, lack numerical is more objective
reliability
Lack internal validity as it over simplifies
More time consuming and requires human experiences to numbers
specialists
, PRIMARY AND SECONDARY DATA
PRIMARY DATA SECONDARY DATA
Data collected from original sources in the researcher’s Data used that has been collected by others
team
META-ANALYSIS
✓ Can be scrutinised in detail, conducted themselves
Various research studies used (existing data collected
✓ Directly relevant to research aims by others) is collated and conclusions are drawn
Can be costly, requiring funding
✓ Less costly and time consuming
Time consuming, involves planning and preparation
Lack of control over the research as it wasn’t
conducted by the researcher themselves
Lacks validity
,TYPES OF DATA
QUALITATIVE DATA QUANTITATIVE DATA
Words Numerical information
✓ More in-depth and detailed about opinions ✓ High in reliability
and experiences, increases internal validity
✓ Less open to subjective interpretation,
More subjective to interpret findings, lack numerical is more objective
reliability
Lack internal validity as it over simplifies
More time consuming and requires human experiences to numbers
specialists
, PRIMARY AND SECONDARY DATA
PRIMARY DATA SECONDARY DATA
Data collected from original sources in the researcher’s Data used that has been collected by others
team
META-ANALYSIS
✓ Can be scrutinised in detail, conducted themselves
Various research studies used (existing data collected
✓ Directly relevant to research aims by others) is collated and conclusions are drawn
Can be costly, requiring funding
✓ Less costly and time consuming
Time consuming, involves planning and preparation
Lack of control over the research as it wasn’t
conducted by the researcher themselves
Lacks validity
