Write: In your initial post of at least 550 words, review Exercise 4 and then complete the following:

• Discuss which researcher’s operational measure has high validity and high reliability? Please explain your response.
• Discuss which researcher’s operational measure has high validity and low reliability? Please explain your response.
• Discuss which researcher’s operational measure has low validity and high reliability? Please explain your response.
• Discuss which researcher’s operational measure has low validity and low reliability? Please explain your response.

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