Measurement accuracy
When researchers have started to measure symptoms ditelitinya, he dealt with the issue of the validity realiabilitas and measuring tool that dipergunakannya. In scientific research, the two terms measuring equipment is very important. Without them, research is no longer scientific.
*. Reliability has meaning have come to trust. A measuring instrument said to have reliability when used many times by the same researcher or by other researchers who still give the same results (forcese and richer, 1973: 71) so the value relibilitas stability (no change), consistent (ajeg) , and dependabilitas (reliable). There are three determining reliability: (1) antaruji, (2) antarbutir, (3) and antarpenilai. Cara (1) test the reliability is to compare some results of measurements of the same population at different times or by different researchers. Comparison of the calculated to find the number korelasinya. If the difference is only a coincidence only, the measurement has a significant correlation. On the way (2) alatukur consisting of grains of the two tests is divided, this method is called part two (split-half procedure). On the way (3) of the respondents as measured, tested, and observed by several people tester. Scores given by each examiner and dikorelasikan. Inter-rater reliability with the number usually diyatakan agreement between assessors.
*. Validity have meaning purity measuring tool with which we want to measure. Validity itself have (3) types:
@. Content validity (content Validity) shows that the specifics on the measuring tool to represent the nature of which we measure
@. Predictive validity (predictive validity) also called validity-with-respect-kreteria (criterion-related validity-)
@. Validity konstruk, menujukkan extent to which a measuring instrument measures the theoretical konstruk a particular (ie, a situation in which the relationship has hipotesiskan-result)
When researchers have started to measure symptoms ditelitinya, he dealt with the issue of the validity realiabilitas and measuring tool that dipergunakannya. In scientific research, the two terms measuring equipment is very important. Without them, research is no longer scientific.
*. Reliability has meaning have come to trust. A measuring instrument said to have reliability when used many times by the same researcher or by other researchers who still give the same results (forcese and richer, 1973: 71) so the value relibilitas stability (no change), consistent (ajeg) , and dependabilitas (reliable). There are three determining reliability: (1) antaruji, (2) antarbutir, (3) and antarpenilai. Cara (1) test the reliability is to compare some results of measurements of the same population at different times or by different researchers. Comparison of the calculated to find the number korelasinya. If the difference is only a coincidence only, the measurement has a significant correlation. On the way (2) alatukur consisting of grains of the two tests is divided, this method is called part two (split-half procedure). On the way (3) of the respondents as measured, tested, and observed by several people tester. Scores given by each examiner and dikorelasikan. Inter-rater reliability with the number usually diyatakan agreement between assessors.
*. Validity have meaning purity measuring tool with which we want to measure. Validity itself have (3) types:
@. Content validity (content Validity) shows that the specifics on the measuring tool to represent the nature of which we measure
@. Predictive validity (predictive validity) also called validity-with-respect-kreteria (criterion-related validity-)
@. Validity konstruk, menujukkan extent to which a measuring instrument measures the theoretical konstruk a particular (ie, a situation in which the relationship has hipotesiskan-result)
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