A galvanic skin response (GSR) to measure anxiety, an electroencephalogram (EEG) to measure brain activity during sleep, and an electrooculogram (EOG) to measure eye movements are all examples for what type of dependent variable measurement?

______ theory draws attention to stratification on the basis of gender

Fill in the blank with correct word

As the average daily temperature in Des Moines, Iowa, decreases the number of persons who are observed wearing sweaters in the workplace increases. This is an example of a(n) ________ correlation

A) illusory B) negative C) positive D) zero