What do we mean when we say a result from an empirical study is statistically significant?

This type of measurement measures perceptions.

Identify and describe one disadvantage of behavioral measurements and one disadvantage of physiological measurements.

Calculate the median.

Why do researchers use statistical testing? Explain the 4-step process used in significance testing.

Define and distinguish between unbiased sampling error and standard error.

How can a test be reliable, but not valid? Give an example.

The process of studying a sample in order to make statements about a population is referred to as ___________________.

“What causes childhood obesity?” Is this a good research question? Why or why not? Re-write it to be better.

“Is there an association between the popularity of Justin Bieber’s singles and the debt of the U.S.?” Is this a good research question? Why or why not? Re-write it to be better.