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Explain properly. I need good explanation Which of the following is a poorly constructed hypothesis? Increased caffeine consumption leads to increased activity levels. Smaller class

Explain properly. I need good explanation
Which of the following is a poorly constructed hypothesis? Increased caffeine consumption leads to increased activity levels. Smaller class size is related to higher student motivation. No relationship exists between age and maturity. Self-worth is inversely related to how long someone will persist with a boring task

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