New technology is important to the development of theories because it

allows for repeated experimentation.
enables the publication of new research.
replaces theories that are old and hard to test.
provides a new way to acquire new information.

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you didn't give any options but heres what i can tell you: an inference is likely to change based on additional observations. the latter is something that you have seen or sensed using your sensory organs while the former is like a conclusion out from what you have observed.