0610 biology variant 1 paper 6 investigation

Guys how did u all do in the exam i thought it was so so easy but I have a question for the investigation question the how temperature affects rate of respiration in yeast i used the rise in dough method by final height - initial height and I also said each of the 5 dough should have the same amount of ingredients and the same concentration and volume of yeast suspension in my investigation I thought I did really good and got all the 6 marks but I saw someone make a post saying that the method is wrong is that true or what