Scientists' hypotheses are guesses which are already supported by a certain amount of ______ evidence, derived. from actual observation and experiment.
A: theoretical
B: psychological
C: empirical
D: emotional
A: theoretical
B: psychological
C: empirical
D: emotional
举一反三
- A scientific hypothesis can only be ______ by indisputable facts ,i.e. , by evidence derived from actual observation and experiment. A: claimed B: exposed C: continued D: confirmed
- The probability of an event E in an empirical<br/>experiment may change from experiment to experiment. ( )
- Evidence obtained from observation and experiment is often used to _____ a scientific theory.
- Evidence obtained from observation and experiment is often used to ______ a scientific theory. A: confirm B: confine C: conform D: conceive
- If an experiment is far from enough to answer the original question, it is considered as a flawed experiment, in other words, a failed experiment.