18. another term for doing your fair share of work is
a. balancing horizontal and vertical relationships.
b. being prompt.
c. carrying your own weight.
d. communicating honestly.

it might look like that the ideal way to research the health effects of trans fats is through a controlled experimental feeding trial. but these kinds of trial have several important limitations that the researcher must look into:

short in duration (this factor usually checks up on the intermediary risk factors rather than the actual outcomes of the disease)

limited dietary changes

only makes use of healthy participants