Archive for April, 2008

Trainers who use science are the best … maybe

Thursday, April 24th, 2008

Seeing discussion of training in online groups is excellent, not only because it means that it raises the profile of training but also because it gives me an opportunity to understand better what this blog may bring to the community. What peaked my interest this morning was a discussion about trainers who use science and trust building.

I think everyone should be pretty much aware of my approach by this point in the life of my blog however just for the new readers let me say that I place trust and relationship building ahead of everything else when it comes to training. As I have previously said there are methods that can be employed that will override the lack of trust an animal may have in the trainer; their use however depends upon the ethical position of the trainer.

I noted one comment in the thread I was reading this morning that said:

“There is no morality or ethics attached to Operant Conditioning.”

Now I think I understand what the writer was saying but that sentence kind of upset me a little, it tweaked on an important subject, the ethics of trainers and how they affect the choices those trainers make. What I believe the writer was saying was that the science itself does not imply or apply any ethical or moral judgment. When we use the scientific term “punishment” it is simply describing a consequence of a behavior that is likely to reduce the presentation or frequency of that behavior in the future. As far as the science is concerned there is no judgment about the consequence. However, when we come to the application of the science we certainly do find ourselves needing to make ethical, even moral judgments in our choice of strategy.

This is especially true when it comes to the use of weight or food management in the training process. As I have written before, motivation is a balance and one can certainly tilt the balance in favor of an animal performing a requested behavior by reducing its weight through food withholding. The ethical question is whether it is the right thing to do before all other factors, including better trust/relationship building, have been exhausted. In my opinion it is not.

Also, the subject of the discussion, “Trainers who use science and trust building” I think missed a huge and important point. Even the strategies that are thought of as “bad” or inappropriate are using that same science. The use of aversives and punishers is also included in the science. Therefore even the trainer who towels a bird to “break” it, a horrible strategy that hopefully is now way behind us, is using the science (flooding). One simply can not claim that a trainer who uses Operant Conditioning and Applied Behavior Analysis is doing it the right way. It is the ethical choice of strategy made by that trainer that should define them.

One more point pops into my mind too. I keep reading people who say “we train only with positive reinforcement” like it somehow validates them and their strategy. Let us not forget about the ethical choices before we place these folks on a pedestal. For example, think about someone who makes this claim who uses weight management as their primary strategy, they have not built a strong trusting relationship they have simply built a food dependence. They can rightly claim to use positive reinforcement, that’s what they are doing, reward correct behavior with something that increases the likelihood of the behavior being repeated. However, consider this; what if that same bird was capable of performing to the same level with only the smallest reduction in their diet and therefore their weight and that this level was achieved by the trainer taking the time to build trust, confidence, and a good relationship with the bird. By gradually presenting new environments to the bird so that its confidence grew. Which of these trainers would you think is the better trainer?

This same thread brought a couple of other points to mind that I am hoping to expand on in future articles. Right now with spring in the air it is time to go and work some birds.

Sid.

Recognizing how not to do it!

Monday, April 21st, 2008

Just recently there seems to have been a flood of experts available online to solve all kinds of parrot behavioral issues, it is also worthy of note that many of these experts seem to have tendrils back to a single source. That single source appears to be rather inexperienced in training in general and behavioral science for sure!

I am not going to mention any names or link to any web sites as on the internet the ranking of names and sites in Google and other search engines relies upon other sites’ links to each site. The more times a site is linked to the better its ranking. Besides which my philosophy is to educate people so that they are capable of recognizing who really understands their subject and who is simply selling snake-oil!

While browsing a Yahoo group this morning I saw a link to some information about parrot training, it was a video being promoted to demonstrate the skills of the expert, unabashed self promotion. Well I can’t argue with that, everyone who has a business knows the power of the reputation of the people involved in that business and what better way to illustrate one’s skills than a video on YouTube!

The video showed two segments of biting birds and how the behavior was fixed “in minutes”. I doubt it was actually fixed at all, but that isn’t the point of this article. The point of this article is to bring attention to the technique used and more importantly to use this to show the linkage between two things that I try to avoid. Firstly Negative Reinforcement and secondly aversives.

So, imagine a bird standing on a perch, a person approaches and immediately the bird begins to lunge towards the person. The person stops and (being directed by an of-camera voice) then steps back as a “click” is heard. This is repeated with the person approaching closer and closer and a “click” just as they step back. After some time (15 minutes according to the off-camera commentary) the person is able to allow the bird to nuzzle their hand without getting bitten.

What is going on here?

To understand one needs to break down the technique into two parts. First, the approach of the person is clearly an aversive from the bird’s perspective. As I said earlier I believe that aversives should be avoided, they do nothing to add to a positive, trusting relationship with the bird. Secondly, the person walking away appears to be reinforcing the fact that the bird did not bite (not that it really had the chance to; the person was way out of reach!). I certainly did not see any behavioral change that warranted a click and retreat. However, if we assume that the trainer perceived some behavior they liked then asking the person to walk away may have reinforced that behavior. So what we have here is Negative Reinforcement. Again, not a contributor to trust between trainer and bird.

I have read one comment that this technique is flooding. In my opinion that is not the case because the aversive (person too close to the bird) was removed. If this were flooding the person would simply have stood there, maybe even gotten closer until the bird stopped the lunging etc..

What this video shows, in addition to not being the best way to deal with a biting bird, is that typically Negative Reinforcement and the purposeful introduction of aversives are inseparable. In order to apply Negative Reinforcement (removing the person) the aversive (again the person) had to be introduced by the trainer.

Finally, just to drive home the point of what a great example of how not to deal with a biting bird this is let me ask you to think about this … was the bird ever positively reinforced? I certainly didn’t see it, once again nothing that happened in these training sessions worked towards establishing a positive, trusting relationship between trainer and bird.

Here is an article written by Dr Susan Friedman and Lee McGuire about biting. It was first published in one of the best resources for how to train companion birds the right way, Good Bird Magazine.

Sid

Primary Reinforcement and History Revisited

Sunday, April 13th, 2008

I received the following question about Primary/Secondary reinforcement:

“… the delivery of the food from a human hand is something that must be learned (human hand delivering food is safe). So if the food is delivered from a human hand, does that then make it become a secondary reinforcer?” – Curtis White.

No, food is a primary reinforcer; what is happening with the above example is the bird is still being reinforced by the food, something it innately wanted. What the bird has learned is that the approaching hand may contain food; its motivation is to acquire the food, and the bird did not have to learn that the food was desirable. The approaching hand may, with some birds, become a secondary reinforcer as a result of being paired with the primary food reinforcer, but I think it is over-thinking the scenario to say that the “food in the hand” becomes a secondary reinforcer itself.

Also the following was received in response to the “Silver Bullet” article:

“I thought that the need to understand history is a concept based on the medical model. If behavior analysis is the study of the functional relations between behavior and environmental events (Chase, P; 1998), should we need to know the bird’s history to change the behavior?” – Cynthia Schutte.

Yes, my statement that one needs to know the history of the bird one is working with was based upon the fact that the behavior we see today was shaped by the experiences of the bird in its past, its history. Indeed a bird’s history is part of the set of antecedents of the behaviors we observe. While we may not always be able to arrange our training sessions to account for some of those particular antecedents there are many times when being able to do so will assist in changing the observed behavior.

For example, suppose that we are trying to train a newly adopted bird; without knowing at least some of the history of that bird how do we know where to start. Suppose, unknown to the trainer, the bird had previously been forced into and out of a transport crate, trying to train this behavior could be problematic. However, given this knowledge we can adjust our training strategy to desensitize the bird to crates.

It is unfortunate that when some trainers do behavior analysis they typically only consider the obvious antecedents, the ones in the immediate environment, forgetting that the whole history of the bird is part of the antecedent package.

It is important to remember that the consequences of a behavior either increase or decrease the likelihood that the behavior will be presented in the future. Those consequences become a part of the bird’s history and factor into the antecedents of future behavior too. If a bird has a history of getting rewarded for approaching the trainer then when the trainer cues the bird to step onto the hand that history will factor into the bird’s decision to make the step. History plays a very important role in an animal’s decision making and a good trainer needs to know as much history as possible to set their birds up for success.

Keep those questions and comments coming and also don’t forget to join the email list so that you will get notifications of new posts to the blog.

Keep Soaring,

Sid.

Get email notification of Blog updates

Friday, April 11th, 2008

I have had a couple of requests from readers to set up a notification list so that they get an email when a new article is posted to the Training Blog. I had forgotten that not everyone understands the RSS subscription service that sends out notifications and not everyone has an RSS reader, so … if you would like to be emailed when there is a new article on the Training Blog simply click on this link and fill out the small form. Rest assured that the information entered is only for use in relation to the Training Blog and will not be shared with any other company or individual. Also, your name will not be added to any other list we maintain without your consent.

Please keep the questions for the Training Blog coming, it is your questions and comments that will feed the inspiration for future articles.

Keep soaring,

Sid.

Beware the Silver Bullet

Thursday, April 10th, 2008

Over the last few weeks I have come across several web sites and articles that offer parrot owners what seems like a real training “Silver Bullet”. They promise to solve all of your parrot’s behavioral issues in no time at all and all it takes is buying either a book or a DVD. Now I am all for making solving behavioral issues as simple and quick as possible, however as someone who studies behavior I find it fascinating and at the same time a little scary that people actually believe the claims being made and perhaps the scarier part that they believe the advice they are getting is in the best interests of both them and their parrots.

My distrust of these web sites was made even deeper when I recently listened to a webcast by one of these “lauded experts”. Not only was some of the advice being given guaranteed to not assist in building a better relationship with one’s bird, the speaker plainly did not understand even the rudimentary science that underpins all training. A friend commented that the speaker sounded like they had been to just one behavior workshop and fallen asleep part way through! Now I do accept that one doesn’t have to understand the science to be a trainer, maybe even a good trainer, however I do think anyone who is advising novices on how to train their birds needs a solid understanding of how training actually works, indeed why training works.

So what can the poor web surfer do to be sure they are getting good advice from a solid source? Science itself again provides us with the answer to that question … look for good references to back up the statements being made. You will note that whenever I write in this blog about some aspect of operant conditioning or applied behavioral analysis I try to give a link or two to some other sources that support what I am writing. I do that because I feel it is important to communicate that these techniques are not invented by me, much of what I write is based upon the teaching of well respected leaders in the fields of both behavior analysis and animal training. What I endeavor to do is to present ideas and approaches that are based upon sound science, I try to understand that unpinning science. Further more, because all science is a process I often discuss and question ideas in an open-minded and constructive way with my professional colleagues.

Also, animals are not appliances that can be fixed by following a simplistic, rigid guide; they are just like humans in that they are individuals, each with a unique history that has shaped how they behave and how they react to the world they experience. In order to “fix” behavioral problems one needs to understand this history before one can even begin to formulate a sound strategy.

In viewing these “Silver Bullet” web sites I was reminded of a fun video that Steve Martin includes in one of his training tapes. It is a spoof TV commercial for “Pete’s Parrot Palace and Wicker Furniture Emporium.” In the video a character (Pete) looking very much like Arnold Schwarzenegger explains how he can fix all your parrot behavior problems. He then proceeds to wrap a dummy bird in a towel and spin it around to demonstrate how you “teach” the bird to behave. While this is a rather extreme caricature of several training “gurus” that have come to light over the years it should remind us to treat such instant fixes with circumspection and also just because something is on the web or in a video does not make it the right approach or the thing to do.

The old adage “If it sounds too good to be true … it probably is” makes a good jumping off point for web surfing too!

Sid