The phrase "and significant effect on" is correct and usable in written English.
It can be used when discussing the impact or influence of one thing on another, particularly in formal or academic contexts.
Example: "The new policy has had a significant effect on employee productivity and morale."
Alternatives: "and considerable impact on" or "and substantial influence on".
Cost effectiveness has a positive and significant effect on the decision to adopt the Cloud Computing in many studies [13, 44].
Only two factors had a similar and significant effect on the least preferred place of death in more than one country.
One of those nominators said that Robert has "a real and significant effect" on Londoners' happiness.
Moreover canopy closure had a strong and significant effect on beetle assemblages in logging residues.
Only slope had a positive and significant effect on stonechat occurrence; the rest being negative.
Additionally, excluding classroom environment from the equation, children's socioeconomic status has an important and significant effect on their likelihood of exhibiting mental health problems at school.
Perhaps most importantly, the information had a large and significant effect on parents with less education, lower incomes, and less knowledge of the college application process.
The results show that innovation has a positive and significant effect on the probability of firms' survival.
As academic dean under deans Fineberg and Barry Bloom, Ware had a deep and significant effect on shaping the School's academic and research vision a legacy upon which the School of today is built.
We demonstrate that, at the mean, tutoring has a positive and significant effect on school attendance, a positive, but insignificant, effect on English Language Arts ELAA) state test scores and no effect on math state test scores.
Results indicate that this nudge-type policy fails to obtain any positive and significant effect on either persistence or performance in college.
