Orpen C.Attitude similarity, attraction, and decision-making in the employment interview . J of Psychol1984; 117: 111-20.
2.
Hatchett S., Schuman H.White respondents and race of interviewer effects. Pub Opinion Q1985; 34: 523-28.
3.
Ley P.The measurement of comprehensibility. J Inst Health Educ1973; 11: 17-20.
4.
Deyo RA, Inui TSTowards a clinical application of health status measures; sensitivity of scales to clinically important changes. Health Serv Res1984; 19: 275-89.
5.
Mahoney FI, Barthel DWFunctional Evaluation: The Barthel Index. Md State Med J1965; 14: 61-65.
6.
Williams Rga , Johnston M., Willis LA, Bennett AEDisability: a model and measurement technique . Br J Prev Soc Med1976; 30: 71-78.