Question
Case #1 : Suppose you want to conduct survey research to understand the extent to which college students possess self-esteem. So, you randomly selected 10
Case #1: Suppose you want to conduct survey research to understand the extent to which college students possess self-esteem. So, you randomly selected 10 freshmen from the MU campus and measured them on the Rosenberg Self-Esteem Scale. Which of the following would be reliable data of your research and why?
A. You measured those students' Rosenberg Self-Esteem Scale only ONCE and found it to be very high in the range of 4.5 in a 5-scale measure.
B.You measured those students' Rosenberg Self-Esteem Scale Two Times a Week Apart and found it to be consistent across time. Pearson's r for these data is +.95.
Case# 2: Imagine someone who believes that people's index finger length reflects their self-esteem and therefore tries to measure self-esteem by holding a ruler up to people's index fingers although tool to measure self-esteem is Rosenberg Self-Esteem Scale. Is it a valid measure of self-esteem? Why and Why Not?
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