Dr. jian is interested in gendered differences in visual spatial abilities. he obtains data from 10 females from low socioeconomic status (ses) backgrounds who are between 18 and 22 and 5 males from high ses backgrounds who are between the ages of 18 and 55. dr. jian has decided to obtain data from more participants who make up a more sample.

Representative.

Explanation:

Dr. Jian collected data from a total of 15 humans out of which 10 are females and 5 are males.Females are form low SES background and Males are from high SES background. Jian decided to collect data from more participants because he want the sample to be more representative.15 is a low number which will not give him correct results.

an informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.