The phrase "a dramatic negative effect" is correct and usable in written English.
It can be used to describe a significant and adverse impact of an action, event, or situation.
Example: "The new policy had a dramatic negative effect on employee morale, leading to increased turnover rates."
Alternatives: "a severe adverse impact" or "a significant detrimental effect."
Mickey Loomis, the general manager, said he feared Katrina would have "a dramatic, negative effect" on the way potential players viewed the Saints.
Robert Mitchell, a Maryland builder who is president of the National Association of Home Builders, predicted "a dramatic negative effect on the home building industry" because of delays and more stringent wetland protection requirements.
These are weaknesses that are so extreme that they can have a dramatic negative effect on a leader, seriously hampering their contribution to the organization and their career progress.
These deficits are not caused by medication or symptoms, and have a dramatic negative effect on real-world functioning.
Thereby, depleting mature and memory B cells does not have a dramatic negative effect on preexisting Ab levels.
Left unattended, candidate experience can have a dramatic negative effect on your organization's employer brand and ability to attract top talent.
In Dr. Raudenbush's view, a race-blind admissions system would have a "very dramatic," negative effect on underrepresented minority admissions.
ND; not determinable, these substrates were not phosphorylated to a significant level under these conditions This dramatic negative effect of a Pro substitution at +2 prompted us to investigate whether the presence of three Pro residues in close proximity to the phosphorylation site in peptide 1.3 worsened the rate of phosphorylation rather than the specific position.
This data demonstrates the dramatic negative effect of taking credit, along with the positive impact of giving credit to others.
This data clearly illustrated the dramatic negative effect of inhibitors on productivity rates, whereas the biomass and ethanol yield was affected to a much lesser extent and corresponded to data reviewed by Liu [ 50].
Researchers found that one deceptive player -- even if undetected -- could have dramatic negative effects on a team's performance.
