THEORY, HYPOTHESIS AND FALSIFIABILITY Flashcards
what is a theory?
a set of general laws/principles that explain particular events/behaviours
what is theory construction?
gathering evidence through direct observation
what is an example of theory construction?
Miller STM cap 7+-2 through experiment
direct observation allows…
simple and economical principle that reflect reality
theory construction provides an..
understanding and explains regularities in behaviour
hypothesis testing is when..
clear and precise predictions made on basis of theory
how is hypothesis testing done?
systematic and objective methods
if support theory is strengthened
if refuted theory needs to be revised
what is deduction?
the process of deriving hypothesis from existing theory
who found falsifiability?
Popper
what is falsifiability?
for theory to be scientific it must have possibility of being proven false
a good science according to Popper is…
constantly challenged as pseudoscience cannot be falsified
theories that cannot be falsified after testing are…
the strongest as it hasn’t been proven false
alternative hypothesis ( directional and non-directional ) must be accompanied with a…..
null hypothesis