"increase in acceptance" is a correct and usable phrase in written English.
It can be used in various contexts, such as discussing a trend, a change, or a result. Here is an example: "The increase in acceptance of renewable energy sources has been notable in recent years, as more and more countries prioritize sustainability in their energy policies."
One indication of rising interest among students is an increase in acceptance yields — the percentage of applicants accepted into a program who choose to enroll.
However, even with the increase in acceptance only 57% of senior biology majors accept evolution.
Students who were initially the least accepting of evolution had a significant increase in acceptance.
Pew has asked since the mid-1980s whether people think it's acceptable for members of different races to marry, and the increase in acceptance has been significant.
Those who did not regularly attend religious services showed a bigger increase in acceptance of same-sex sexual behaviour over time than those who did.
The growing increase in acceptance is the result of decades of hard work by organisations at the state and federal level as well as the advocacy of individuals who bravely shared their truths in the face of adversity.
Nicola Dandridge, chief executive of the Universities UK lobbying group, said: "It is good news to see an increase in acceptances compared to last year.
Scotland's increase in acceptances stood out because of the rapid growth seen in mature students, bucking the trend in England and Wales which once again saw shrinking numbers of applications from those aged over 25.
We designed a meaningful intervention that led to significant increases in acceptance of evolution.
Although students in the F09 semester had significant improvements in tree thinking, they did not show the corresponding increases in acceptance of evolution.
This population is of particular interest, as Wiles and Alters ([2011]) measured substantial increases in acceptance of evolution among these students.
