Praxis 5005 Practice Question
Which of the following is a statement that proposes a possible explanation for a phenomenon and can be tested through experimentation?
Correct Answer: D
Rationale: A hypothesis proposes a possible explanation for a phenomenon and is testable through experimentation, making it essential for scientific inquiry.
Option A, an observation, refers to the act of noticing and describing events, rather than proposing explanations. Option B, a variable, is a factor that can change in an experiment but does not itself propose an explanation. Option C, an experiment, is the method used to test a hypothesis but is not a statement of explanation. Thus, only a hypothesis encapsulates a testable proposition about the relationship between variables.
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