Archive for the ‘punishment’ Category

Ethical training as a way of life

Tuesday, July 27th, 2010

The following was written as my “Letter from the President” in the current issue of the International Association of Avian Trainers and Educators Flyer member’s magazine. I received emails and even a phone call or two from my IAATE collegues who had found it useful and even inspirational. I believe it is worth publishing to the wider audience that reads my blog, I hope you also find it useful, informative, and maybe even inspirational … enjoy.

(First published in IAATE Flyer, Sumnmer 2010)

Recently my mind has been occupied with several training and behavior subjects. This has involved watching a little more closely not only how the subjects of the training session behave but also how their trainers behave in their interactions with other members of their team. Some of what I saw was perplexing and it took me on several thought paths and to more observation and reflection. The question that kept returning was, “if these folks are applying the current best techniques and getting good, sometimes excellent results with their animals, why are their teams and relationships with their colleagues in such disarray?”

Slowly I came to the conclusion that when interacting with colleagues and team members these otherwise gentle, least intrusive trainers were hooked on aversive stimuli in their management and leadership styles. “Attracted to aversive stimuli like a moth to a flame” was how it was summarized by Dr Susan Friedman in one of our recent conversations on this subject.  The often used adage “setting them up to succeed” simply wasn’t present. I have to admit it came as a bit of a surprise that when dealing with the human members of their teams many people forget, or at least set aside, all the lessons they have learned so well for their animals.

During my reflections I spoke to several trainers on the receiving end of this aversive attention. There appear to be two extremes of leadership style; both fail their subjects in several areas. First there is the micromanager who seems incapable of allowing their team members to make a move without having almost complete hands-on themselves. What they are doing is taking all control away from their team members; the team has no power to make any decisions, anything they do is heavily criticized, leading to apathy and resentment. None of these effects should be a surprise to the trainer who understands behavior science.

At the other extreme is the leader who believes they are giving their team complete freedom by not interfering or supporting at all. While this approach can be not nearly as destructive as the micromanager it does bring its own problems, perhaps stronger this time for the leader. Things that are important to the team leader may not be performed, individuals begin to formulate their own priorities and focus on them, tension may develop between team members as they compete for their own agendas. Plus, the team leader often ends up just taking care of what needs to be done rather than directing the team and thereby creates a twelve-hour workday for them self.

Both of these situations can be avoided relatively easily especially for people with the skills that good animal trainers possess. Making the switch from the traditional training techniques for the animal collection was not easy. From their earliest years many, many people have become highly proficient in the use of punishment to gain control over others. Fortunately that is changing, at least for the animals; what is needed now is for the expansion of the ethical training techniques to be extended to encompass the whole team; to our colleagues, our supervisors, and the facility interns … everyone.

Apart from making the effort to keep the ratio of reinforcement to punishment as high as possible perhaps the most important aspect of being a good team member/leader is clear communication of expectations and responsibilities. Imagine the interaction with your colleagues like a play in which you are all actors. The play simply will not work unless everyone on the stage has the same script. Becoming angry because something was not done by a colleague when they were unaware that they were expected to do it just won’t help; be clear about expectations; be clear about responsibilities. Ensure that when the team decides what to do it is also clear about who will do it and by when. In a nutshell use one of the most powerful tools of empowerment, communication.

At a time when the forms of communication available to us are expanding almost exponentially it is vital to focus not on the volume of communication but the quality. Listen to what your teammates are saying, read their email carefully, think about and consider their motivation, their expectations … then respond.

Keep soaring,

Sid.

Reducing behavior means punishment occurred – not!

Friday, March 26th, 2010

When there is a reduction in behavior punishment is always in play! Once again I saw this used in a discussion in an Internet group. The discussion centered around the reduction of unwanted behavior, in the particular case it was a free flying bird landing on strangers. I don’t intend to address the poor strategies suggested to resolve this or the much better alternate strategies suggested. Rather I want to talk about the argument put up that even when using the alternate strategy because the unwanted behavior is reduced punishment is still present.

Again, for those who may not be familiar with the use of the word punishment here, I use it in its technical, behavioral sense and that is a contingent consequence that reduces the future frequency of the behavior it follows.

Punishment is a process and not a single event. It is the process over time, by which a consequence reduces behavior. Note that punishment is not the only way to reduce behavior; it is one of several approaches that include differential reinforcement of an alternate or incompatible behavior, extinction, and establishing operations. And this is where the writer who said that even when a positive reinforcement approach is used to resolve the landing on strangers problem, if the landing reduces then it has been punished is wrong. Something completely different and at the totally opposite end of the intrusiveness spectrum is in play and no aversive events are required!

So, let’s think about this a bit. Remember that all behavior serves some function for the subject performing it. So, if a bird is landing on strangers we can hypothesize that social interaction is what is reinforcing (maintaining) the behavior. Rather than punishing the behavior, since this simply attempts to teach the bird what NOT to do; we can devise a training strategy that drains the value of social interaction when the bird is being flown.  This strategy was written about by Raz Rasmussen in her blog and also the basis of a presentation she gave at the recent IAATE conference in Albuquerque, NM. For these reasons I won’t go into the details of the strategy used here. What I wish to focus on is that while the unwanted behavior may have been reduced it was not punished. The principle involved here is an antecedent arrangement, technically an establishing operation that serves to reduce the value of the reinforcer that was maintaining the unwanted behavior. The bird chooses not to land on strangers because doing so would result in a now less valued reinforcer than those available from the trainer and/or elsewhere in the environment.

In our efforts to have the smallest set of simple rules to understand and influence behavior it is easy to grab hold of a rule and use it without thinking it through. I have been guilty of this myself in the past; however, I do pride myself on having a very inquisitive mind and an ability to analyze things pretty well. The simple statement that if a behavior is reduced then punishment is in play is one we must be wary of. It is similar to talking about consequences being reinforcing or punishing without the context of the behavior; we must be specific about context when evaluating if punishment is in play. Ask, was a contingent, contiguous stimulus presented or removed that caused the behavior reduction. Then you will know if the behavior was punished or if some other behavior principle is in play.

In this article I have used terms that are not explained in the text, all the terms used here have appeared and been defined in previous articles and I chose not to make this article even longer by explaining each one. Please browse back to these older articles.

ABCs … a training tool

Positive good … Negative bad

A special thank you goes out to Dr Susan Friedman for reviewing this article and contining to empower and encourage those willing to listen on this journey of learning.

Keep soaring,

Sid.

Most Positive Least Intrusive Trainers

Friday, January 15th, 2010

Using only positive reinforcement seems like the right thing to do, however telling anyone that is what they should do is possibly setting them up for failure by taking tools off the table that in some circumstances may be required. The world is just not built that way; nor are animals “wired” to operate that way. Aversive stimuli abound in nature and all animals encounter them and learn to avoid them. What I would like to discuss here is a more practical, more achievable goal that will yield results without significantly adversely affecting the relationship between you and your bird.

If you visit my Behavior and Training web site you will notice that the banner for each page has a subtitle – “Where least intrusive becomes most effective,” that subtitle is so much more than simply a way to catch your attention, it is a reference to the most ethical way of choosing the strategy used for behavior change and training. The maxim “least intrusive” embodies important principles that as animal caretakers we should follow as closely as possible. Just as in the field of medicine the Hippocratic principle of doing no harm is the basis for the decisions our doctors make when they plan an intervention to correct health issues, we as animal caretakers should adopt a similar principle, that of choosing the least intrusive strategy for behavior change and training.

Those who have read my articles before may look at this proposed principle and recognize a construct. I can hear the questions now, “What does least intrusive look like?” If you are asking that question then you are well on the way to understanding behavior science. However, constructs are useful provided that they are defined and well understood by those who use them, so let’s take a closer look at our adage “least intrusive.”

Dr Susan Friedman published an article in GoodBird magazine in December 2009 that defined intrusiveness by these two criteria:

  1. The level of social acceptability.
  2. The degree to which the learner maintains control while the intervention is in effect.

While the level of social acceptability is a highly personal, ethical judgment, research shows that not only psychologists but also teachers, parents, and children place positive reinforcement strategies ahead of punishment based procedures when considering acceptability. In addition, punishment-based procedures have considerable fall-out, the subject of a future article.

Research into the effects of a learner’s control of outcomes shows that when control is removed and the ability to escape aversive stimuli is removed they give up trying to escape. This effect, known as learned helplessness, has been observed in a wide range of species and it often persists even when control is returned.  To the greatest extent possible we must empower our birds to be able to use their behavior to control outcomes.  This is the function of behavior, to operate on the environment to affect outcomes. A failure to recognize this and the removal of such control may result in one or more undesirable behaviors such as feather picking, unacceptable vocalizations, etc.

I hope that by reading the definition of least intrusive you will recognize that the effectiveness of a strategy is simply not enough. The intrusiveness of the procedure must also be considered. To guide us and to set a standard by which we can judge our techniques Dr Susan Friedman has proposed a hierarchy of procedural alternatives. Below you will see a graphic that shows the strategy hierarchy proposed by Dr Friedman in an article that was first published in GoodBird magazine (Vol 4-1; Winter 2009) that this article is based upon and rather than repeat or paraphrase her information here I strongly encourage you all to read “What’s wrong with this picture? Effectiveness is not enough.

Intervention Hierarchy - Copyright Friedman 2008

To return to the original theme of this article, the statement that only positive reinforcement should be used, I would like to change this. Rather than adopting what may well prove to be an impossible or even impractical goal we should set ourselves up for success with our birds with the goal of maintaining the highest possible ratio of positive reinforcement strategies to other more intrusive strategies. Certainly, when considering a strategy for behavior change we should start at the top of the above hierarchy and only proceed to a lower level when we have exhausted the options at the current level. Also note that before we begin to consider positive reinforcement strategies we have two levels of intervention available to us. Attempting to apply a positive reinforcement strategy to address a behavioral issue that has medical/physical roots does not make sense, nor does it address the needs of the bird.

In applying the least invasive strategy we will begin to build what Steve Martin calls a “trust account” with our birds in his article “It’s about relationships.” Our goal is to make the maximum number of deposits into that trust account using the strategies from the top of the hierarchy down to positive reinforcement. By keeping these deposits high in number our occasional need and application of lower level strategies will make withdrawals from that account but should nowhere near deplete the account. So let’s not be “Positive Reinforcement Trainers” let’s be “Most Positive, Least Intrusive Trainers.” Our birds will really appreciate it!

Sid.

Reinforcing and Punishing Consequences

Wednesday, March 4th, 2009

In an earlier article I wrote about the basics of Applied Behavior Analysis so I don’t propose to cover them again here. What I would like to talk about is how one identifies a consequence as either a reinforcer or a punisher.

 

First, remember that in order to really affect a behavior the stimulus delivered or removed must be both contingent upon and contiguous with the behavior. Contingency is the if/then relationship of behavior and consequence. If the bird does this (behavior) then this (stimulus) is delivered/removed. Contiguity describes the tight relationship in time between the behavior and the contingent consequence. The closer in time these two events the stronger the effect of the consequence (stimulus) on the future behavior.

 

The labeling of a stimulus as a reinforcer or punisher is contingent upon the effect that the stimulus has upon the behavior. Since to date we have no method of knowing what an animal thinks we must rely upon observing the effect of the stimulus on the behavior, then and only then do we know whether the stimulus presented (+) or removed (-) is a reinforcer (R) or punisher (P).

 

Therefore one can not discuss if a consequence is R+, R-, P+, or P- without FIRST defining the behavior. This is why one must operationalize (write down the ABC) the behavior, then we can identify clearly the nature of the stimulus.

 

This was demonstrated in the last few days with an online discussion of the use of jesses with raptors. Jesses are the leather straps attached to the legs of raptors to restrict their movement. One writer identified the strategy as punishment, the other as reinforcement. How can that be? As I wrote above these consequences do not exist in isolation from the behavior and if we operationalize the behavior we can see that BOTH writers were to some degree correct. Assuming that the hawk is standing on the gloved hand and something occurs that startles the bird.

1A.    To be deterinined

1B.     Hawk flies from the gloved hand

1C.     The leash and jesses become taut 

Probable Future Behavior (PFB) The hawk will fly less often from the gloved hand.

Thus we have punishment (the likelihood of the hawk flying from the gloved hand is reduced) and the stimulus was added (the taut equipment placing restraint on the legs), therefore with THIS behavior we have a Positive Punishment (P+) strategy.  

2A.    The leash and jesses become taut 

2B.     Hawk returns to gloved hand

2C.     The leash and jesses become slack

Probable Future Behavior (PFB) The hawk will remain on the gloved hand more often.

Thus we have reinforcement (increased staying on the gloved hand) and the stimulus was a removal (the leash and jesses become slack and restraint is taken off legs), with THIS behavior we have a Negative Reinforcement strategy (R-).

From this example we can hopefully see that before one can know what the strategy being used is one must start by identifying the behavior. Are we talking about reducing the likelihood of flying from the gloved hand (punishment) or are we talking about increasing the bird remaining on the gloved hand (reinforcement).

This example also demonstrates that in order for our negative reinforcement strategy to work an aversive (restraint) had to be present as an antecedent. This need for an aversive in this situation should lead us to seek a different strategy for training the bird to remain on the gloved hand. The preferred approach would be to heavily reinforce the hawk for standing calmly on the gloved hand and, in a controlled environment, not to be holding the restraints, but to allow the bird to move freely off the hand to a nearby perch when it so chooses. When it returns to the hand it is once again reinforced.

 

It is worth noting that the original discussion was not really about initial training but the continued use of jesses for restraint. When working with raptors in public situations it is a matter of public safety to have this level of control of the bird, regardless of the training level. The best a trainer can do is to build a strong history of reinforcement on the gloved hand with the bird to minimize attempts to fly away. However, again in the interests of public safety, it is necessary to have the backup restraint of the equipment available.

 

In summary, talking about consequences in isolation from the behavior they are contingent upon has no meaning. The important word here is “contingent” and in order to be contingent there must be a specific behavior that is being discussed. Simply by operationalizing the behavior as was done above will reveal the nature of the consequence.

 

Please don’t forget, if you have a training question or comment please write to TrainingBlog@avianambassadors.com and if appropriate for an article I will try to address your questions and comments.

Sid.