Yelling at Your Dog Can Have Long-Term Negative Effects, Study Shows .<br />An analysis says using <br />negative commands can result <br />in long-term stress for your pooch.<br />The study can be found <br />in the journal 'BioRxiv.'.<br />Besides stress, it adds that <br />a dog's cognitive abilities <br />can also be affected.<br />For the study, 92 dogs from training facilities <br />in Portugal were put into two groups.<br />One group was trained aggressively <br />and had choke collars used on them.<br />The other went through training in a docile manner <br />with rewards coming in the form of treats.<br />The three-year study saw the dogs <br />go through multiple stress tests.<br />In one, negatively-trained dogs approached <br />bowls of food slower than the others, <br />a sign of pessimism.<br />Dogs trained using aversive-based methods experienced poorer welfare as compared to companion dogs trained using reward-based methods .., Researchers, via study.<br />Dogs attending schools using aversive-based methods displayed more stress-related behaviors .., Researchers, via study.<br />It appears saying "Good Dog" may be <br />more important than previously thought
