Why you chose that definition as the most valid definition. Explain your choice. Note: you could choose your own, as long as you explain why you think it is more valid

Second, read all the operational definitions provided by your group members. Then, reply to the post that you think is the most valid definition . In your reply, explain: 

1) Why you chose that definition as the most valid definition. Explain your choice. Note: you could choose your own, as long as you explain why you think it is more valid than the other definitions.