1. Many things can contribute to the variability in a sample. Suppose an Intro to Psychology class just completed a measurement instrument assessing individual self-esteem. Half the class completed it at the start of the class and the other half at the end of class. The class is made up of males, females, and non-binary individuals ages 18-24 from a variety of majors. Name 5 things that might lead to variations in responses between participants.

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