A language teacher firstly, asks students to introduce themselves to each other in the class. Then she asks them to introduce their friend to each other. This activity will help them to increase

The correct option is BICS.

Basic Interpersonal Communication Skills (BICS) refers to conversational fluency and language skills needed in social situations. These are everyday, informal language skills used to interact with others in face-to-face communication, such as introducing oneself, talking to friends, or participating in classroom routines.

In this activity, the teacher asks students to introduce themselves and their friends to each other. Since introducing oneself or a peer involves informal, contextualized, and daily social interaction, this activity helps students develop and increase their BICS (Basic Interpersonal Communication Skills).

Other Options Breakdown:

• CALP (Cognitive Academic Language Proficiency): Refers to formal academic learning and higher-order language skills required for academic success in subjects like mathematics, science, and literature.
• PPPP & ELT: These are general terms/methodologies in teaching (e.g., English Language Teaching - ELT) and do not describe a student's personal language acquisition skill type in this context.