Author Question: Although desirable, pretests of instruments are not really essential in research. Indicate ... (Read 49 times)

a0266361136 · **on:** Aug 17, 2018

Although desirable, pretests of instruments are not really essential in research.

Indicate whether the statement is true or false

Question 2

Which statement is true?

a. The racial origin of hair can always be identified.
b. Hair can be individualized through its trace elemental composition.
c. Hair is routinely examined to determine sex.
d. Two hairs from the same head may not have the same morphological characteristics.