1 Introduction  
2 List Experiments  
2.1 The Method and Properties  
2.2 A Test of List Experiments  
2.3 A Modified Version of List Experiments  
2.4 Application of the Test  
3 Multiple Response Technique  
3.1 The Design of Survey  
3.2 The Identification Strategy  
3.3 Estimation and Simulation  
4 Estimating LGBT-Related Information  
4.1 Sexual Orientation  
4.2 LGBT-Related Sentiment  
5 Conclusions