Adam, Bob, Eric, and Nathan are participating in a study. The researcher asks if any of them are married. Bob and Eric both raise their hands. The researcher sends Bob and Nathan to condition one and Adam and Eric to condition two. What kind of experimental design is the researcher using?

Correlated group design

Explanation: The experimental design adopted in the scenario above is called the correlated design grouping or matched pairs which are not random. The correlated group design technique is a study design in which subjects in both groups of the experiment are related with a certain characteristics. In the scenario above, the correlating feature is marital status where married subjects are placed in a group and the single subjects in the other.

in 342 bc j._c. egypt fell into the hands of the persians, under the reign of nectanebo ii

greek city-states unite in a revolt against the persian empire at the beginning of the fifth century bc. j.-c  

from the year 660 or 659 bc ad, cyrus preached the revolt against the medes to deliver the persians.

i think it's b or c hope this