The hypotheses serve as a first step in the investigation, which will seek to prove or refute their validity depends on submitting to several tests, based on the elaborated theories, therefore they can only be tested with laboratory experiments is FALSE.
It is a provisional formulation, since when tested it becomes a verified or demonstrated statement.
The search for possible answers to the hypothesis, provided that they are based on procedures and theories that can be tested in the field, so that they can be reproduced as many times as necessary if the same conditions are met.
Therefore, we can conclude that the hypotheses are totally provisional approaches, which will be proven or discarded through research, therefore they can not only be tested with laboratory experiments.
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