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06 9. TOOLS AND METHODS OF DATA COLLECTION — ——, , HIV/AIDS, , Cure mele leis 7 | Death, No punishment rr fe tele ie lel 7 | Punishment, Social acceptance ee | eee 7 | Social rejection, Affordable treatment ete teed Expensive treatment, Normal life ivie see 7 | Miserable life, , FIGURE 9.2 Example of semantic differential scale to assess the belief about HIV/AIDS, , L, , VISUAL AN, , , , , , ALOGOUS SCALE, , , , , , it is a widely used psychomotor response scale, which is a measurement instrument for sut, jective characteristics or attitudes that cannot be directly measured. This has 10 cm lines ie 4, the ends mark semantic opposites (e.8- alert-drowsy)- f, Visual analogous scale (VAS) is used to measure the intensity of certain sensations and, feelings, such as pain, discomfort, anxiety, alertness, quality of sleep, severity of clinica, symptoms, functional ability, and attitude towards environmental conditions., , , , , , e intensity of certain, , , , , The VAS is a self-report measure consisting simply of a 10 cm (100 mm) line with a statement at, each end representing one extreme of the dimension being measured., , The VAS is a bipolar scale used to determine the degree of stimuli a patient experiences. One, side of the scale expresses the absence of stimuli, while the other expresses the presence of stimu., Visual analogous scale is a 100 mm horizontal or vertical line with right angle stop at either ends, , _ Between these two extreme ends (e.g. best and worst, no pain and severe pain, alert and drowsy), ; y ovides his response for particular phenomenon measured, which, , _ by using a ruler from left end., a straight line with no pain at one end and the worst pain imaginable at the one, the visual analogue scale for pain. As per the amount of pain he/she feels., marks a point on the line that matches with his /her feelings., , Worst pain ever, , No pain, , , , , is later measured, , , , , , , , yous Scale, , a lity:, of clinical symptoms, functional 2°" :