If a theory is untestable, then it isGroup of answer choicesExtremely usefulUseful only in scienceWorthlessUncommon

In order for a theory to be testable,Group of answer choicesit must explain many diverse phenomena.it must make the fewest possible assumptions.there has to be some way to determine whether the theories are true or false.it must open up new areas of research

If there is some way to determine whether a theory is true or false, the theory is said to be...Group of answer choicesTestableFruitfulSimpleConservative

If a theory predicts something other than what it was introduced to explain, it isGroup of answer choicesFruitfulConservativeTestableSuperfluous

The best theory is the eligible theory thatGroup of answer choicesCannot be undermined by evidenceMeets the criterion of consistencyMeets the criteria of adequacy better than any of its competitorsMost scientists believe in

Scientific hypotheses must beGroup of answer choicesvalidatedreproducibletestableproven