class: top, title <!-- this slide has the Dog Genetics, LLC logo in the top right corner, added using the "background" image classes above. The text begins on the bottom left corner of the slide --> .left-col-narrow[.center[ <br> <!--inserting the IWDBA logo that links to the IWDC 2021 page--> <a href="https://www.iwdba.org/event/iwdc-2021/"><img src="img/iwdbaLogo.png" alt="International Working Dog Breeding Association" width="80%"/></a> .titleConf[IWDC 2021] ]] .right-col-wide[ .left[ # Assessment of the Agreement between Fosters and Trainers Evaluating Behavior with the C-BARQ and Behavior Checklist <!--inserting a horizontal bar for aesthetic appeal --> ---- ]] .titleAuthor[ Elizabeth Hare PhD<br>@DogGeneticsLLC
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] --- class: bottom, center .pull-left[ <img style="border-radius: 50%;" src="img/Profile_LH.JPG", alt="Photo of Liz Hare with an elderly Golden Retriever and a young Labrador Retriever in harness", width="250px" /> # Elizabeth Hare PhD [
Link
doggenetics.com](http://doggenetics.com/)<br> [
Twitter
@DogGeneticsLLC](https://twitter.com/DogGeneticsLLC)<br> [
GitHub
@LizHareDogs](https://github.com/LizHareDogs)<br> [
Envelope
LizHare@DogGenetics.com](mailto:LizHare@DogGenetics.com) ]<!--end of pull left--> .pull-right[ <img src="img/PV Working Dog Center Logo-tshirt.jpg" title="Working Dog Center Logo with University of Pennsylvania shield on the left next to two lines of text: 'PennVet' and 'Working Dog Center'" alt="Working Dog Center Logo with University of Pennsylvania shield on the left next to two lines of text: 'PennVet' and 'Working Dog Center'" width="90%" style="display: block; margin: auto;" /> ## Collaborators .large[Jennifer L. Essler PhD] .large[Cynthia M. Otto DVM PhD DACVECC DACVSMR] .large[James A. Serpell PhD] ] <!--end of pull right--> --- # Sources for PennVet Working Dog Center Pups .pull-left[ - Working Dog Center Detector Dog Breeding Program - Labrador Retrievers - Dutch Shepherds - Breeder donations - Pups from litters with working parents and relatives - Health standards for parents - Herding and sporting breeds] .pull-right[ <img src="img/IMG_5840.jpeg" title="An ADORABLE baby black lab gnaws on a green and purple chew toy, looking up at the camera at an angle. It is in a crate outdoors sitting on grass." alt="An ADORABLE baby black lab gnaws on a green and purple chew toy, looking up at the camera at an angle. It is in a crate outdoors sitting on grass." width="164" height="90%" style="display: block; margin: auto;" /> ] --- # Puppy Development at the PennVet Working Dog Center .pull-left[ - Pups live with foster families - Training begins ~8 weeks of age - [Fit to Work](https://www.frontiersin.org/articles/10.3389/fvets.2020.00470/full) - Obedience - Agility - Search] .pull-right[ <img src="img/BretBooks.png" title="A reddish Golden is lying in sphinx position on a large rectangular trampoline in a big room. Its front paws are resting on an open book, and the position of the dog’s head makes it look like it is reading. There are several other books piled on the floor around the trampoline." alt="A reddish Golden is lying in sphinx position on a large rectangular trampoline in a big room. Its front paws are resting on an open book, and the position of the dog’s head makes it look like it is reading. There are several other books piled on the floor around the trampoline." width="90%" style="display: block; margin: auto;" /> ] --- # Intensive Interaction and Observation .pull-left[ - Career choice based on - Formal assessment - Trainer observation - Career flexibility contributes to very high success rate: 93%] .pull-right[ <img src="img/IMG_6611.JPG" title="In a large room there are two red utility ladders with a plank resting on them approximately 4ft above the ground. A straight ladder is resting on the plank, at an angle. A black lab is standing on the plank, looking the camera as a blond woman with short hair and glasses on top of her head, smiles up at the dog. The ladders have “Penn Vet Working Dog Center” bumper stickers stuck on the uprights." alt="In a large room there are two red utility ladders with a plank resting on them approximately 4ft above the ground. A straight ladder is resting on the plank, at an angle. A black lab is standing on the plank, looking the camera as a blond woman with short hair and glasses on top of her head, smiles up at the dog. The ladders have “Penn Vet Working Dog Center” bumper stickers stuck on the uprights." width="90%" style="display: block; margin: auto;" /> ] --- # Formal Assessments - Behavior questionnaires - BCL (Behavior Checklist) is completed by trainer - C-BARQ (Canine Behavioral and Research Questionnaire) is completed by foster - Behavior tests withs Scoring - Engagement - Environment --- # C-BARQ - 100 items - Most items cluster into one of 14 subscales - Some miscellaneous items do not cluster - Problem behaviors, except trainability --- # C-BARQ Scoring <table class="table" style="width: auto !important; margin-left: auto; margin-right: auto;"> <caption>Behaviors Rated 0 to 4 on either Frequency or Intensity</caption> <thead> <tr> <th style="text-align:right;"> Score </th> <th style="text-align:left;"> Frequency </th> <th style="text-align:left;"> Intensity </th> </tr> </thead> <tbody> <tr> <td style="text-align:right;"> 0 </td> <td style="text-align:left;"> Never </td> <td style="text-align:left;"> None </td> </tr> <tr> <td style="text-align:right;"> 1 </td> <td style="text-align:left;"> Seldom </td> <td style="text-align:left;"> Mild </td> </tr> <tr> <td style="text-align:right;"> 2 </td> <td style="text-align:left;"> Sometimes </td> <td style="text-align:left;"> Moderate </td> </tr> <tr> <td style="text-align:right;"> 3 </td> <td style="text-align:left;"> Usually </td> <td style="text-align:left;"> Moderate to Extreme </td> </tr> <tr> <td style="text-align:right;"> 4 </td> <td style="text-align:left;"> Always </td> <td style="text-align:left;"> Extreme </td> </tr> </tbody> </table> Each subscale score is the mean of the items in the subscale. Subscale scores were considered missing when less than 70% of items had responses --- # BCL .pull-left[ - 43 individual items - no clusters - most BCL items overlap with C-BARQ subscales] .pull-right[ <table class="table" style="width: auto !important; margin-left: auto; margin-right: auto;"> <caption>Behaviors Rated 0 to 4 on Intensity</caption> <thead> <tr> <th style="text-align:right;"> Score </th> <th style="text-align:left;"> Intensity </th> </tr> </thead> <tbody> <tr> <td style="text-align:right;"> 0 </td> <td style="text-align:left;"> Absent </td> </tr> <tr> <td style="text-align:right;"> 1 </td> <td style="text-align:left;"> Very Mild </td> </tr> <tr> <td style="text-align:right;"> 2 </td> <td style="text-align:left;"> Mild </td> </tr> <tr> <td style="text-align:right;"> 3 </td> <td style="text-align:left;"> Moderate </td> </tr> <tr> <td style="text-align:right;"> 4 </td> <td style="text-align:left;"> Severe </td> </tr> </tbody> </table> ] --- # Dogs .pull-left[ Assigned to age group categories: - up to 9 months - 9 months to 2 years - 2 years and up Randomly retained one of each assessment per dog per age category] .pull-right[ <table class="table" style="margin-left: auto; margin-right: auto;"> <thead> <tr> <th style="text-align:left;"> Age Category </th> <th style="text-align:right;"> N </th> </tr> </thead> <tbody> <tr> <td style="text-align:left;"> Up to 9 mo </td> <td style="text-align:right;"> 39 </td> </tr> <tr> <td style="text-align:left;"> 9 mo to 2 y </td> <td style="text-align:right;"> 64 </td> </tr> <tr> <td style="text-align:left;"> Over 2 y </td> <td style="text-align:right;"> 5 </td> </tr> </tbody> </table> ] --- # BCL - C-BARQ Correlations How closely do BCL and C-BARQ scores correlate? Two analyses of Spearman correlation with Holm adjustment for multiple testing 1. BCL and C-BARQ subscales 2. BCL and C-BARQ individual items --- # BCL items and C-BARQ subscales: Correlations <table class="table" style="width: auto !important; margin-left: auto; margin-right: auto;"> <thead> <tr> <th style="text-align:left;"> BCL </th> <th style="text-align:left;"> C-BARQ </th> <th style="text-align:right;"> rho </th> <th style="text-align:left;"> p </th> </tr> </thead> <tbody> <tr> <td style="text-align:left;"> Stranger-directed aggression </td> <td style="text-align:left;"> Stranger-directed aggression </td> <td style="text-align:right;"> 0.49 </td> <td style="text-align:left;"> < 0.001 </td> </tr> <tr> <td style="text-align:left;"> Stranger-directed aggression </td> <td style="text-align:left;"> Dog-directed aggression </td> <td style="text-align:right;"> 0.42 </td> <td style="text-align:left;"> < 0.05 </td> </tr> <tr> <td style="text-align:left;"> Resource guarding around dogs </td> <td style="text-align:left;"> Dog-directed aggression </td> <td style="text-align:right;"> 0.46 </td> <td style="text-align:left;"> < 0.05 </td> </tr> </tbody> </table> --- # BCL and C-BARQ Items: Dog-directed Aggression <table class="table" style="margin-left: auto; margin-right: auto;"> <thead> <tr> <th style="text-align:left;"> BCL </th> <th style="text-align:left;"> C-BARQ </th> <th style="text-align:right;"> rho </th> <th style="text-align:right;"> p </th> </tr> </thead> <tbody> <tr> <td style="text-align:left;"> Dog-directed aggression </td> <td style="text-align:left;"> Aggression when approached directly by an unfamiliar male dog while being walked/exercised on a leash </td> <td style="text-align:right;"> 0.48 </td> <td style="text-align:right;"> 0.0003 </td> </tr> <tr> <td style="text-align:left;"> Dog-directed aggression </td> <td style="text-align:left;"> Aggression when approached directly by an unfamiliar female dog while being walked/exercised on a leash </td> <td style="text-align:right;"> 0.49 </td> <td style="text-align:right;"> 0.0001 </td> </tr> <tr> <td style="text-align:left;"> Dog-directed aggression </td> <td style="text-align:left;"> Aggression when barked, growled, or lunged at by another (unfamiliar) dog </td> <td style="text-align:right;"> 0.42 </td> <td style="text-align:right;"> 0.0110 </td> </tr> <tr> <td style="text-align:left;"> Resource guarding around dogs </td> <td style="text-align:left;"> Aggression when approached directly by an unfamiliar female dog while being walked/exercised on a leash </td> <td style="text-align:right;"> 0.50 </td> <td style="text-align:right;"> 0.0045 </td> </tr> <tr> <td style="text-align:left;"> Resource guarding around dogs </td> <td style="text-align:left;"> Aggression when barked, growled, or lunged at by another (unfamiliar) dog </td> <td style="text-align:right;"> 0.47 </td> <td style="text-align:right;"> 0.0248 </td> </tr> </tbody> </table> --- # # BCL and C-BARQ Items: Stranger-directed Aggression <table class="table" style="margin-left: auto; margin-right: auto;"> <thead> <tr> <th style="text-align:left;"> BCL </th> <th style="text-align:left;"> C-BARQ </th> <th style="text-align:right;"> rho </th> <th style="text-align:right;"> p </th> </tr> </thead> <tbody> <tr> <td style="text-align:left;"> Stranger-directed fear </td> <td style="text-align:left;"> Aggression when approached directly by an unfamiliar adult while being walked/exercised on a leash </td> <td style="text-align:right;"> 0.39 </td> <td style="text-align:right;"> 0.0399 </td> </tr> <tr> <td style="text-align:left;"> Stranger-directed fear </td> <td style="text-align:left;"> When approached directly by an unfamiliar child while being walked/exercised on a leash </td> <td style="text-align:right;"> 0.43 </td> <td style="text-align:right;"> 0.0076 </td> </tr> <tr> <td style="text-align:left;"> Stranger-directed aggression </td> <td style="text-align:left;"> Aggression when approached directly by an unfamiliar adult while being walked/exercised on a leash </td> <td style="text-align:right;"> 0.46 </td> <td style="text-align:right;"> 0.0010 </td> </tr> </tbody> </table> --- # BCL and C-BARQ Items: Touch Sensitivity <table class="table" style="margin-left: auto; margin-right: auto;"> <thead> <tr> <th style="text-align:left;"> BCL </th> <th style="text-align:left;"> C-BARQ </th> <th style="text-align:right;"> rho </th> <th style="text-align:right;"> p </th> </tr> </thead> <tbody> <tr> <td style="text-align:left;"> Retreats when reached for </td> <td style="text-align:left;"> Fear when having nails clipped by a household member </td> <td style="text-align:right;"> 0.58 </td> <td style="text-align:right;"> 0.0008 </td> </tr> </tbody> </table> --- # Behaviors with No Correlation .pull-left[ - Trainability - Inter-dog rivalry - Chasing - Excitability - Attention-seeking - Energy] .pull-right[ - Owner-directed aggression - Dog-directed fear - Stranger-directed fear - Non-social fear] --- # Why don't we find high correlations? "Dogs behave differently at home and at the Center" ----Dr. Cindy Otto .pull-left[ <img src="img/VaukBobHammock.jpg" title="A laughing man is lying on his back in a hammock next to a squiggly black lab, paws in the air, head so far back only the underside of the jaw is visible." alt="A laughing man is lying on his back in a hammock next to a squiggly black lab, paws in the air, head so far back only the underside of the jaw is visible." width="430" height="90%" style="display: block; margin: auto;" /> ] .pull-right[ <img src="img/sam_9261.jpg" title="A yellow lab stands on the ground, mouth open, eyes squeezed shut, head thrown back, baying, with front paws up on a cement platform in what looks like a junkyard, as the camera looks down, askew, from above. Perhaps the photographer is standing on the platform?" alt="A yellow lab stands on the ground, mouth open, eyes squeezed shut, head thrown back, baying, with front paws up on a cement platform in what looks like a junkyard, as the camera looks down, askew, from above. Perhaps the photographer is standing on the platform?" width="389" height="99%" style="display: block; margin: auto;" /> ] --- # Why don't we find high correlations? - Fosters and trainers have different experience and expectations - C-BARQ items are more specific --- # Limitations - Data incomplete for early years - Difficulty correlating aggression, fear, and touch sensitivity to success because of high success rate - Dogs have potential to fail or be successful in more than one category - Confounding between career chosen for dogs and trainers' assessments --- # What's next? .pull-left[ Development of working dog specific C-BARQ Other factors affecting behavior - Breed - Sex - Discipline (detection, search, patrol)] .pull-right[ <img src="img/CANTF3ontarioCanine.jpg" title="A yellow dog with dark eyebrows and muzzle edges peers down at the camera from above, through a crack between rough splintery slats (possibly a produce crate or pallet?) Most visible are the dark nostrils of the snout, and the brown eyes behind. Sunlight slants in across the dark slats at a steep angle. The ends of more pieces of wood are visible behind the dog. (Is this a SAR scenario?)" alt="A yellow dog with dark eyebrows and muzzle edges peers down at the camera from above, through a crack between rough splintery slats (possibly a produce crate or pallet?) Most visible are the dark nostrils of the snout, and the brown eyes behind. Sunlight slants in across the dark slats at a steep angle. The ends of more pieces of wood are visible behind the dog. (Is this a SAR scenario?)" width="90%" style="display: block; margin: auto;" /> ] --- # Thank You .pull-left[ PennVet Working Dog Center - Trainers - Foster families IWDC 2021 Organizing and Scientific Committees Slide theme by [Dr. Silvia Canelón](https://silvia.rbind.io) Alt-text descriptions by Dr. Angela Baldo ] .pull-right[ <img src="img/v-litter 2-21.jpg" title="A row of eight young black labs, each wearing a different brightly colored collar, sit facing the camera. There is slight variation among the dogs, in height and body shape. Out of focus landscape is in the background. The foreground is also out of focus. Only the dogs are in focus." alt="A row of eight young black labs, each wearing a different brightly colored collar, sit facing the camera. There is slight variation among the dogs, in height and body shape. Out of focus landscape is in the background. The foreground is also out of focus. Only the dogs are in focus." width="90%" style="display: block; margin: auto;" /> ] ??? This slide uses: - a code chunk to produce a ggplot - code chunk option `fig.height = 8` and `fig.width = 14` to control the figure height and width --- class: middle, inverse .pull-left[ # Thank you! ] <!--end of pull left --> .pull-right[ .right[ <!--HTML code inserting a circular avatar of a square photo--> <img src="img/Profile_LH.JPG" width="200px" alt="Profile of Liz Hare" style="border-radius: 50%;"/> ## Elizabeth Hare PhD <!--Inserting social media links--> [
Link
doggenetics.com](http://doggenetics.com/)<br> [
Twitter
@DogGeneticsLLC](https://twitter.com/DogGeneticsLLC)<br> [
GitHub
@LizHareDogs](https://github.com/LizHareDogs)<br> [
Envelope
LizHare@DogGenetics.com](mailto:LizHare@DogGenetics.com) ] <!--end of right --> ] <!--end of pull right --> ??? Thank you for joining me! You can find my contact information linked on this slide if you want to get in touch, and I'm happy to take any questions. This slide contains - `.pull-left[]` and `.pull-right[]` classes - `.right[]` class