Despite the presumed superiority of our brains, humans are susceptible to a wide range of mental mistakes. These are collectively called "cognitive errors" and they impinge upon our judgement and can lead our decision-making astray. I have written about several of these previously in The Science Dog (attribution error, the availability heuristic and negativity bias), … Continue reading The Nose Knows Bias
scientific method
Consider the (Caregiver) Placebo Effect
Most people are familiar with the concept of a “placebo effect”, the perception of improved health while unknowingly receiving a sham (placebo) treatment that in reality should have no benefit at all. Growing up, my mother referred to this as “giving someone a sugar pill”. The assumption is that because we believe that we are … Continue reading Consider the (Caregiver) Placebo Effect
Excitable You
There is a common cognitive bias, the Fundamental Attribution Error, that is central to the way in which we view others and make judgements about their behavior. It is supported by a large body of research and is one of the most common errors that our brains make on a regular basis. The Fundamental Attribution Error refers to our tendency to explain … Continue reading Excitable You
What the Dog’s Nose Knows
In "Thyroid on Trial" we used an evidence pyramid to examine the various types of scientific studies that have been used to examine the hypothesis that there is a connection between hypothyroidism and aggressive behavior in dogs. We followed this example up through most of the levels of the pyramid, finishing at the penultimate level, the randomized, controlled trial. At the tippy … Continue reading What the Dog’s Nose Knows
Thyroid on Trial
Every day, we are bombarded with new information about dogs that arises from a variety of sources - via the internet, through our smart (or not so smart) phones, from our colleagues, friends and family, and of course from our neighbor Joe next door (who happens to know a lot about dogs). In this day and age of information overload, it should … Continue reading Thyroid on Trial
Your face is gonna freeze like that (Part 4)…….(a.k.a. Why we need multiple Steves)
So, here we are, with three study groups described in Part 3 of this series. Each group consists of 25 young adult dogs, representing a range of breeds and breed-types. This collection of dogs is considered a sample of the population that we are testing. In this example, we identify the population as all young adult dogs living in … Continue reading Your face is gonna freeze like that (Part 4)…….(a.k.a. Why we need multiple Steves)
The Science Dog 