Steven Is a New English-Speaking Cultural Psychologist Who Only Uses

Steven is a new English-speaking cultural psychologist who only uses questionnaires.He wants to first establish methodological equivalence when studying cultural differences in "happiness" between rural Nigerians and urban South Koreans.To do that,he must

A) have all the Nigerians and South Koreans in his sample practice taking questionnaires.
B) translate his questionnaires from English into the languages spoken in the target countries.
C) ask his participants to provide examples of when they experience happiness within their own cultures.
D) ensure that participants from both countries answer the questionnaire in English.
E) reverse-code half of the items on his questionnaires.