Typically, children begin using rehearsal when they are 12 years old

Johan and Jacqui are a married couple interested in studying human development among indigenous cultures in the mountains of Peru

The couple plans to move to Peru to integrate with their study subjects, make social connections with them, and observe their daily life up close. Which type of research method are Johan and Jacqui using? biological measurements qualitative research questionnaire ethnographic research

According to the text, most research supports the conclusion that growing up bilingual:

a. causes students to fall behind in their school work b. has many advantages for the student c. places unnecessary burdens on children d. causes serious learning disabilities