Famous quotes containing the words positive and/or test:
“Nurturing competence, the food of self-esteem, comes from acknowledging and appreciating the positive contributions your children make. By catching our kids doing things right, we bring out the good that is already there.”
—Stephanie Martson (20th century)
“Experimental work provides the strongest evidence for scientific realism. This is not because we test hypotheses about entities. It is because entities that in principle cannot be observed are manipulated to produce a new phenomena
[sic] and to investigate other aspects of nature.”
—Ian Hacking (b. 1936)