The phrase "an improvement over time" is correct and usable in written English.
You can use it when discussing progress or positive changes that occur gradually.
Example: "The team's performance has shown an improvement over time, leading to better results in our projects."
Alternatives: "a gradual enhancement" or "a positive change over time."
Its view is that towns in the south east and midlands will generally see an improvement over time".
When running experiments that begin with an extremely ill population, as this study does, an improvement over time is highly likely due to an effect called 'regression to the mean'; if you only investigate people at one end of a spectrum, they are more likely to move back towards the middle of the spectrum, regardless of the treatment they receive.
If you look at people in midlife and later, their stories tend to be a little bit softer and gentler and happier... There's an improvement over time". When you're younger, there's more room in the story for drama, conflict and negativity.
The improvements demonstrated by trial participants could be partly due to regression to the mean (where people are motivated to join a trial at the time that their problem is most severe and through the natural history of a waxing and waning condition show an improvement over time) or to the effects of the trial assessment procedures.
The results were similar, indicating an improvement over time (p = 0.0012).
Overall there was an improvement over time, and by January 2013, all CHWs achieved a correspondence of 90% or above.
Time of Matlab simulation in Table 1 shows an improvement over 20 times when comparing the simplified and classic SRM.
In a prospective cohort study, we would expect an HRQL improvement over time because when a patient gets older or acquires a chronic disease, he changes his internal standards and values and conceptualisation of HRQL [ 29].
Thirty-seven patients had been treated longer than one year and up to 9 cycles confirming an increasing improvement over time (Table 1).
Following Farzin ([1995]), we do not assume investment for technological change, but we do assume z t 1 − z t − 1 1 > 0, which implies an incremental improvement over time.
In terms of quality, in the current review, the highest scores (7 9) were assigned to recent studies only [ 20, 40], suggesting an overall improvement over time.
