The phrase "a valid effort and" is correct and usable in written English.
It can be used when discussing the legitimacy or acceptability of an attempt or endeavor, often in a context where you are evaluating the quality of that effort.
Example: "While the project faced many challenges, it was ultimately recognized as a valid effort and contributed to our understanding of the issue."
Alternatives: "a legitimate attempt and" or "a worthwhile endeavor and".
Deported to Trinidad Despite Ruling An unwarranted judicial reach, or a valid effort to close a legal breach?
A federal appeals court in San Francisco heard arguments on Wednesday over whether a California law banning gay "conversion therapy" for minors is an unjustified infringement on free speech or a valid effort to prevent therapeutic malpractice.
"We're going to have to be one of the top three teams on defense, coming out, giving a valid effort every night on that end, to be something this year," Garnett said.
Roberts had an early try ruled out before producing a valid solo effort and then skipper Shenton wrong-footed the Giants defence to score - and with two successful Gale conversions, the gap was down to two points.
The law's defenders describe it as a common-sense and constitutionally valid effort to fix demonstrated problems and plug the gaping holes in the Watergate-era law of which the new statute is technically an amendment.
But once you start gathering data, recording the dates, toggling the conditions back and forth while keeping careful records of the outcome, you gain a tremendous advantage over the normal human practice of making no valid effort whatsoever.
Early in this section, Mr. Gladwell invokes the World War II bombing of London as a valid David and Goliath mismatch: German efforts to intimidate the British created the "remote miss," a survivor's exhilaration, in some who lived through weeks of bombardment.
The good correlation suggests a valid assessment and implies that study efforts during the course got reflected in the self-assessment.
For subjects without a valid match and for all others without specific cause of death, efforts were made to obtain a death certificate.
The MHCCS shows promise as a valid and reliable assessment of these CC efforts.
