"valuable and effective" is a correct and commonly used phrase in written English.
It can be used to describe something that is both useful and has a strong impact or results. Example: "The new marketing strategy proved to be valuable and effective in increasing sales for the company."
A market economy is a tool — a valuable and effective tool — for organizing productive activity.
More valuable and effective, especially in the critical round against Colorado, was Fedorov, a center who has 18 points, tied with Brett Hull for second on the team.
Subsequently, the AHP framework is more valuable and effective in facilitating an explorative insight into the problem.
Through experiments and theoretical analyses, the hybrid structure of AgNPs and FLG is a potentially valuable and effective way to improve the performance of SERS substrates.
When used appropriately and in conjunction with related information, the CDL is a valuable and effective tool for detecting diverse trends in agriculture.
The use of resistant plant cultivars is the most valuable and effective strategy to control virus diseases and mitigate their impact.
When we go to see the physician, when we go and see a nurse practitioner, they should know the information that's most critical to us having a valuable, meaningful, and effective interaction with them and outcome with them.
The theory of fractional differential and integral equations have been proved to be valuable tools and effective in the modeling of many phenomena in various fields of engineering and scientific disciplines such as physics, chemistry, biology, control theory, signal and image processing, biophysics, blood flow phenomena, aerodynamics and so on.
Students reported that peer meetings were a valuable condition and effective learning method for their professional development.
Therefore, it is valuable and cost effective for a coastal engineering study to establish the relationship between water levels at a local station and a NOAA station in the region.
However, with shorter consumer attention spans and the invention of new technologies and platforms, interruptive advertising has become less valuable and less effective.
