Roger Watson; Ian J Deary. (1994). Measuring feeding difficulty in patients with dementia: multivariate analysis of feeding problems, nursing intervention and indicators of feeding difficulty. , 20(2), 283287. doi:10.1046/j.1365-2648.1994.20020283.x.
The factor analysis demonstrated that the original items could be reduced to three factors. These three factors were named: (a) patient obstinacy or passivity; (b) nursing intervention; and (c) indicator of feeding difficulty.

Dogs who are feeling stressed or ignored may struggle with these feelings longer than owners realise, according to research.

Such details provide a deeper understanding and appreciation for Measuring Feeding Difficulty Struggle Dogs.
Measuring feeding difficulty in patients with dementia: perspectives and problems. Roger WatsonUniversity of Edinburgh.
Measuring feeding difficulty in patients with dementia: multivariate analysis of feed- ing problems, nursing intervention and indicators of feeding difficulty. J Adv Nurs. 1994; 20(2):283-7.