The commonly used instruments for data collection in survey research are the?

سروے ریسرچ میں ڈیٹا اکٹھا کرنے کے لیے عام طور پر استعمال ہونے والے آلات کیا ہیں؟

Individual interview and situational

Standardized test and critical incident technique

Questionnaire and individual interview

Questionnaire and standardized

The commonly used instruments for data collection in survey research are the individual interview and situational.