Aresearcher is studying the science of attractiveness and asks volunteer test subjects to describe what trait they find most attractive when show images of different people. what type of variable is the dependent variable in this experiment? a. ordered b. concrete c. categoric d. continuous

Answer : Option C) Categoric.

Explanation : According to the question the researcher is studying the science of attractiveness and the test is conducted by the volunteers by showing the images of different people, so here  we can judge that the study is gender based and has to include male or female. Hence, it can be called as categoric variable. 

All the elements are arranged by melting points on the periodic table. in row they go from metals to gasses. in the row from sodium to argon, sodium is more reactive than the one on its right, magnesium.