Covariate Randomized Response Models
引入协变量的随机化回答模型
The randomized response technique (RRT) is a survey procedure that requires respondents to decide randomly whether to respond to a sensitive question in its positive or negative form (Warner 1965) or respond to a sensitive question and an unrelated question (Greenberg, Abul-Ela, Simmons, and Horvitz 1969). Although RRT results in larger standard errors than direct questioning or anonymous questionnaires, there is empirical evidence that RRT results in less underreporting of…