Experimental Research
~~> Experimental Research is the process of gathering data in order
to make evaluative comparisons regarding different situations.
Experiment
~~> The Experiment is the most valuable type of research it is used to
discover cause-and-effect relationships
How many...
✓ ~~> Validity is the extent or degree to which an idea/
conclusion/measurement/ score/ study is well-founded, measures what
it claims to measure, corresponds accurately to the real world &
answers the questions it is intended to answer. 'valid' in Latin meaning
strong, equivalent.
Internal Validity
✓ ~~> Internal validity 'in experiments' refers to whether the Dependent
Variables, 'DVs' , the data were truly influenced by the experimental
independent variables, 'IVs', treatment or if other factors impacted the
Data.
What are some examples of "Threats to internal validity"?
✓ ~~> Examples of threats to 'internal validity' or factors that reduce the
impact of tx on Data are 1. maturation of subjects, the psychological &
physical changes e.g. fatigue due to time involved, 2. 'mortality'
subjects withdrawing, 3. instruments used to measure the behavior or
trait, or 4. 'statistical regression' the notion that extremely high or low
scores would move toward the mean if utilized again.
External validity
Master01 | September, 2024/2025 | Latest update
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