The phrase "inconsistency in performance" is correct and usable in written English.
You can use it whenever you want to describe variations in a person's performance, a company's products, or any other unstable performances. For example: "The company has been struggling with inconsistency in performance, which has caused a decrease in customer satisfaction."
A key feature of ADHD is marked variability and inconsistency in performance.
The inconsistency in performance of the A1C test among studies may have been due to the discrepancies in ethnicity, assay methods for A1C, the gold standard for diagnosis of diabetes, study methodology differences (population-based versus clinical based), and the prevalence of other risk factors such as obesity.
"Since I've come in, I've asked a lot of questions and seen a real inconsistency in performances but I think we've put that to bed," the Scotsman said.
But in the end, due either to difficulty of setup, or inconsistencies in performance, or trouble executing the workflow consistently, all of these other options fell short.
Potential strategies to address intra-vessel inconsistencies in performance of the square-mesh codend and thereby facilitate implementation of square-mesh codends in the fishery are discussed.
Inconsistencies in performance of the movement on the subject's part may have also contributed to measurement error.
Inconsistency in VJ performance was also evident across the junior talent pathway, with the greatest disparity in VJ scores in National Draft Camp players [58], and for State U16s players [22, 52].
For example, the difference in the range between means for U15 players was nearly 0.30 s and more than 0.10 s for U13, suggesting greater (variation) inconsistency in sprint performance at the lowest levels of the AFL participation pathway.
The increased sensitivity from sputum, especially for specimens with higher bacterial counts, and the high agreement between split-samples despite overall low sensitivity suggests that the limitation of qPCR is related to specimen characteristics, particularly low quantities of bacterial DNA, rather than inconsistency in assay performance.
The inconsistency in the performance of MTBDR plus for smear-negative TB cases in different settings illustrates its limited value in these cases.
What let us down was the inconsistency in our performances – from what we achieved at the Millennium Stadium against France to the following round of matches with England at Twickenham.
