Sentence examples for but not valid from inspiring English sources

A scale can be reliable but not valid, but if a scale is unreliable it can not be valid.

The planner puts a price on this good by references, some objective (health results), others subjective (satisfaction), useful, but not valid when making these kinds of comparisons.

Peer- and self-assessment marks might be reliable but not valid for PBL tutorial process, especially if these assessments are used for summative assessment, composing the final grade.

Further, outcome measures were categorized into three types: 1) reliable and valid outcome measure, 2) reliable, but not valid outcome measure, and 3) neither reliable, nor valid outcome measure.

The data we collected in a real life setting were useful to guide the process of priority setting but not valid enough to evaluate the effect of the intervention in the region.

Summative self- and peer assessment might be reliable but not valid as part of the overall student grade during PBL tutorials, because we observed a clear difference among tutor and students' marks.

The tool has shown construct validity for the medical expert domain, but was not valid for the intrinsic CanMEDS competencies.

Also, for Earth conditions, simplified equations have been developed, but are not valid for other planets, as Mars, where the environmental conditions are extremely different.

On the other hand, for any fixed, we also show that there exist positive invertible operators, such that holds for any, but is not valid.

It is found that the analytical solutions based on the assumption have some limitations because the assumption holds approximately only for extremely shallow parabolic arches, but is not valid for most shallow parabolic arches.

Life-expectancy estimates apply to a population and represent a useful tool for public healthcare, but are not valid for a given individual.