The phrase "a useful example of" is correct and usable in written English.
It can be used when you want to illustrate a point or provide a specific instance that supports your argument or explanation.
Example: "The study provides a useful example of how effective communication can improve team performance."
Alternatives: "a helpful illustration of" or "a practical instance of".
It is also a useful example of how the artist used real people in historical and religious scenes.
– that was based on the visual-analogue scale used for assessing pain – represents a useful example of the adaptation of validated tools for assessing user satisfaction.
Luckily, I can say I'm just providing a useful example of the very issue being discussed.
Bob Lutz, a vice chairman at General Motors, offers a useful example of why price matters.
The spectrum of the cyclic hydrocarbon methylcyclohexane serves as a useful example of 13C NMR spectroscopy.
Last week, we looked at Corey Creek's '98 regular chardonnay as a useful example of the versatile style.
The COST wastewater treatment plant simulation benchmark is a useful example for evaluation of control strategies aiming at improving biological nitrogen removal.
While Exercise Ruaumoko was primarily written and co-ordinated by MCDEM with Civil Defence objectives, it still provides a useful example for volcanologists of a large scale volcanology exercise, and the monitoring information and science response parts could be "re-exercised" or used as inspiration for a smaller scale science led exercise.
But as such it offers a useful example to the painters of the Oriental ink and brush works in the other gallery, showing that traditional forms can be invigorated with contemporary subject matter.
This study can be a useful example for the application of nanocomposites that show unique surface structure and properties.
Furthermore, this novel sensing method was also expected to be a useful example for the design of other biosensing systems.
