Final answer:
The correct answer is option a) Japan.
Step-by-step explanation:
The question pertains to identifying which country among the given options is the most collectivistic. Collectivistic cultures are often characterized by a greater emphasis on the group rather than the individual. According to research and common understanding in cross-cultural psychology, East Asian societies often rank higher on collectivism.
Therefore, among the options provided (Japan, Russia, United States, Canada), Japan is generally considered to be the most collectivistic country. This is due to Japan's cultural norms that prioritize group harmony and societal cohesion over individual aims.