English: quantitative research
Welsh: ymchwil feintiol
Subject: Cyllid ac ystadegau
English definition: Generates numerical data, or data that can be converted into numbers. For example, a random survey of 10,000 households in Wales. . 
Welsh definition: Mae'n cynhyrchu data rhifiadol neu ddata y gellir eu trosi yn rhifau. Er enghraifft, arolwg ar hap o 10,000 aelwydydd yng Nghymru..