Because new things are discovered which make the old theory obsolete. In addition experiments testing the theory can show it to be wrong.
Lippitt's theory of change says that if you bring in an external change agent into a situation, then effect change will occur. The Lippitt's theory is often used in nursing to effect change in behavior.
functional theory of social change in India
It can change if it is proven wrong, or if a new theory is proven more likely to be true.
yes you can, in theory. But it is very difficult to change an established 'ruling paradigm' (however incorrect).
yes you can, in theory. But it is very difficult to change an established 'ruling paradigm' (however incorrect).
A scientific model can change if new evidence is found. If the new evidence that has been found contradicts the model or theory then a scientific model or theory can change.
whenever an experiment fails to confirm the theory it is no longer a theory ... it becomes a hypothesis
Lippitt's theory of change says that if you bring in an external change agent into a situation, then effect change will occur. The Lippitt's theory is often used in nursing to effect change in behavior.
no
Any theory is subject to change until proven
There is no"theory of climate change" as it has been demonstrated and observed by trained scientists for several decades.if there is a theory it is from the climate change deniers who insist that the process is "all natural" and will reduce itself without human effort.
Darwin's theory of evolution by natural selection does not incorporate theories about geological change. Those are the domain of geology, not biology.