Which of the following, now considered a theory, can both predict and explain behavior?

• A. Scientific theory
• B. Hypothesis
• C. Variable
• D. Observation

Answer: (A)

Verified step by step guidance

1. Step 1: Understand the definitions of the terms provided: Hypothesis, Variable, Observation, and Scientific Theory.
2. Step 2: Recognize that a Hypothesis is a testable prediction about the relationship between variables, but it does not fully explain behavior on its own.
3. Step 3: Know that a Variable is any factor that can change or be changed in an experiment, but it is not a theory and cannot predict or explain behavior by itself.
4. Step 4: Understand that an Observation is the act of noting and recording behavior or phenomena, which provides data but does not predict or explain behavior.
5. Step 5: Identify that a Scientific Theory is a well-substantiated explanation that integrates and organizes observations and hypotheses, allowing it to both predict and explain behavior.