The validity and reliability studies were conducted separately and involved different schools and students. The two studies used the same survey instrument, which was administered under the same ...

Additional validity and reliability data were obtained from a larger sample (n = 295). The alpha coefficient (internal consistency) for the FACT-B total score was high (alpha = .90), with subscale ...

Because of the nature of the ethnographic data collection task, tests of validity in anthropological research have been somewhat neglected. The development of tests of validity for the concepts used ...

The authors sought to ascertain reliability and validity of diagnostic and drug data in a database obtained by merging the Minimum Data Set with detailed information on drugs consumed by each resident ...

The Bureau of Labor Statistics is reducing or ending the collection of data that is used to calculate the Consumer Price Index.

RESEARCH TRIANGLE PARK, NC – November 5, 2012 – A new pilot study from Quintiles' Digital Patient Unit (DPU) confirms the reliability of patient-reported outcomes collected via patients ...