Factors other than the survey by itself can influence responses. For example, the gender or ethnicity of the interviewer may influence participants. These factors are known as:

A. reliability factors.
B. internal factors.
C. extraneous factors.
D. validity re-test factors

C. extraneous factors.

Explanation:

Factors other than the survey by itself can influence responses. For example, the gender or ethnicity of the interviewer may influence participants. These factors are known as: extraneous factors. They are unwanted factors in research which could negatively influence/confound the data of a study if not accounted for. All other factors that could contribute to the study data/result other than the factors in consideration are extraneous factors.

the first one is d and the second a

hi there!

moors is essentially another word for muslims.

the moors invaded spain around year 700, during their time ruling spain the muslims promoted religious tolerance (moors tolerated jews who were viewed as outcasts by northerners), the moors as well had a great impact on their language, and architecture (palaces were created).

i hope this !