Aspects of a study conducted of cars in a certain country will be to determine the general traits of consumer buying and motorists. This could include: whether a car runs on diesel or electricity to gain information for a survey on pollution of motor vehicles; also, size of a car, the frequency of use, the purpose of use, how old a car is and how many passengers are generally seated in the car. All of these factors can be used to glean invaluable information for the automotive industry, as well as for scientific studies and governments.
Baja California Peninsula
The independent variable is the temperature.
The study aims to assess how the temperature level affects another variable, that, in turn, will be the dependent variable: the mood of the participants. The aim of the study is to conclude whether it is possible or not to infer causality between those two, in other words, to see whether different levels of temperature (<em>the cause</em>), trigger the emergence of a certain type of mood <em>(the effect).</em>