1. Response latency as a signal to question problems in survey research;Bassili;Public Opinion Quarterly,1996
2. Cognitive therapy and the emotional disorders;Beck,1976
3. Anxiety disorders and phobias: a cognitive perspective;Beck,1985
4. Expanding and enhancing the use of verbal protocols in survey research;Bickart,1996
5. The concept of validity;Borsboom;Psychological Review,2004