What probably caused the slight tingling feeling in her hand was because of the electricity of which has produced the drill in which its parts starts working, having it to vibrate once it has been started because it usually functions in a way of having to rotate the metal, making it more movable as the parts contribute to this movement, adding a tingling sensation.
You are throwing a birthday party for a group of four-year-olds. Piaget would suggest that you give each child the same size cup to drink from.
Piaget theory refers to the cognitive development it is a comprehensive theory of nature and human intelligence, it explains how a child develops a mental model of the world.
I believe the answer is: <span> they impede scientific progress
The scientific findings that derived from a research often would be used as a basis for other research in the future. This method allow our scientific development to keep moving forward.
</span><span>When a research knowingly falsified data, the basis for future scientific research is already wrong to begin with and this would stunt the development.</span>