"more negative attitude" is a correct phrase.
You can use it when you want to describe a person's outlook or behavior that is becoming increasingly negative. For example, "My brother has been exhibiting a more negative attitude lately."
People who had a positive attitude toward aging were 44% more likely to recover from disability than those with a more negative attitude.
This was true even on the micro-level, i.e. people living in wolf territories had a more negative attitude towards conservation of wolves than people living just outside.
Conclusion: The more negative attitude of the rural women toward menopause in large part reflected the higher priority they placed on fertility than did their urban counterparts.
Results: In contrast to the initial hypothesis, analysis revealed that rural Iranian women have a more negative attitude towards menopause than urban Iranian women.
The paper also underlines the negative effects of an asymmetrical distribution of toll roads across regions on users' perceptions, since those territories especially suffering the burden of tolls show a more negative attitude towards road charging.
("It is quite possible that we go over the cliff but only for a very short period... ......) Others, like Representative Kevin Brady of Texas, have a more negative attitude.
Postnatal disconfirmation, but not antenatal optimism, was associated with more negative attitudes toward maternity postnatally.
Families with more negative attitudes toward sugary beverages were less likely to drink them or give them to their infants.
Implicit and explicit results demonstrated more negative attitudes towards depression than physical illness regarding likeability and etiology.
We also found no evidence that disgust sensitivity predicts more negative attitudes toward homeless people in general.
But that study found that more religious people were also less tolerant of other races and nationalities and had more negative attitudes toward women.
