"more dramatic effect" is a perfectly grammatical and usable phrase in written English.
You can use it to describe how something increases the drama in a situation, as in: The director added in more sudden lighting and special effects to give the scene a more dramatic effect.
Although a small degree of differentiation was observed with an inducible MYB shRNA alone, a more dramatic effect was apparent from the synergy between MYB knockdown and (otherwise) marginally-effective concentrations of DIAs, which resulted in essentially complete differentiation.
Sites with faster acetylation incorporation are expected to show a more dramatic effect upon deacetylase inhibition.
Some of the same characteristics that enhance current productivity have an even more dramatic effect on innovation and productivity growth.
"Some earlier studies found a more dramatic effect on mortality risk from sedentary time, and others are similar to our findings.
This is because the rounding of a slightly wavering input value between two output values has a more dramatic effect when those output values are farther apart.
"If you want Harvard to look more like America," he said, "changing admissions policies is going to have much more dramatic effect than changing financial aid".
The trials in the BMJ report were carried out by TCM acupuncturists, but Five Element practitioners believe it has an even more dramatic effect upon fertility.
Prof May's warning comes as British scientists, in the journal Nature, show that emissions of carbon dioxide could have a more dramatic effect on climate than thought.
If a butterfly's wing-beat in China can cause a storm in the UK, then what is happening in Guernsey may have an even more dramatic effect here.
It will have an even more dramatic effect on human evolution than the elongation of our foreheads, and the expansion of our neocortex, about 2 million years ago, he said.
The novel appears too preoccupied with large, ominous changes in Nigerian society to explain these smaller ones, but it turns out Ms. Adichie has saved them for more dramatic effect.
