Answer:
This is an example of making sure the measures are valid
Explanation:
Measuring extraversion is quite challenging because there is the chances of recording an intelligent individual as an extrovert. Thus making sure you are specific with your measures is a way to increase the validity of the measures.
Answer:
Informational
Explanation:
The ad is providing potential new information in regards to the company's service, in this case, this helps educate the users who do not know about its characteristics while explaining its benefits, producing this way, useful and meaningful advertisment for existent and new customers.