1) What is the main purpose of a null hypothesis (H₀)? a) To state that there is no effect or relationship between variables b) To provide evidence for a logical argument c) To predict a specific outcome of an experiment d) To describe emperical observation 2) What is the Alternative Hypothesis (H₁ or Ha)? a) A statement that there is no change b) A statement that predicts an effect or relationship c) A statement that supports the status quo d) A statement that cannot be tested 3) Which of the following is an example of a Null Hypothesis? a) Exercise improves mental health b) There is no difference in test scores between boys and girls c) Students who sleep more perform better d) Sugar causes hyperactivity in children 4) Which of the following is an example of an Alternative Hypothesis? a) There is no relationship between diet and energy levels b) Energy levels remain constant regardless of diet c) Diet has no impact on energy levels d) Diet affects energy levels 5) Which of the following best describes a Directional Hypothesis? a) It predicts a change but not the direction b) It assumes no relationship c) It predicts a specific direction of the effect d) It cannot be tested

REVIEW HYPOTHESIS

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