id	keyword
ajis02-1844	error
ajis02-1844	measurement
ajis02-1844	measurement error
ajis02-1844	construct
ajis02-1844	sources
ajis02-1844	journal
ajis02-1844	research
ajis02-1844	information
ajis02-1844	example
ajis02-1844	systems
ajis02-1844	indicators
ajis02-1844	validity
ajis02-1844	data