The phrase "a slightly positive effect" is correct and usable in written English.
It can be used when discussing the impact or influence of something that is beneficial, but not overwhelmingly so.
Example: "The new policy has had a slightly positive effect on employee morale, leading to increased productivity."
Alternatives: "a marginally beneficial impact" or "a somewhat favorable outcome."
The lipophilicity of the N-1 substituent appeared to exert a slightly positive effect.
The Ngong Hills Wind Farm had a slightly positive effect on the visitors who saw them.
At best, she argued, more female board members have "a slightly positive effect" on economic performance.
In a conference call last month, the company's executives said that they expected currency fluctuations to have a "slightly positive" effect on its annual results.
In a formative evaluation study, the scenario has been accepted by the students and has shown a slightly positive effect on learning outcome.
He claims that the voter ID law in his state either didn't have much effect or had a slightly positive effect, because there was a net gain in votes in 2014 compared with 2010.
Time of leaching instead had a very slightly positive effect.
"People watch a lot of TV, so anything that has an even slightly positive effect on it is disproportionately important to peoples' lives," he said.
While dipotassium hydrogen phosphate also showed slightly positive effect on the culture specific growth rate, it, however, exhibited some negative effect on 4-CP biodegradation efficiency.
The finding fits with evidence from seven other countries that have had similar carbon tax shifts in place for over a decade, resulting in neutral or slightly positive effects on GDP. - The British Columbia government has kept its promise to make the tax shift 'revenue neutral,' meaning no net increase in taxes.
Some of them have shown slightly positive effects on child's weight development, but evidence of effective preventive means to reduce childhood obesity is still insufficient.
