Good points! On Jul 13, 2015, at 9:40 AM, Ken Steele <[email protected]> wrote:
> Hi Michael: > > First, notice that you have switched to a new response. You are now posting > text or pictures and you hope that your posts will produce more emails or > likes or whatever. > > The previous analysis still applies. Assume that you post 4 pictures to > Instagram and you get one response. The question is what happens when you > post 8 pictures in about the same amount of time. If 8 pictures produce two > responses then you are talking about a VR type of schedule. If posting 8 > pictures and then 16 pictures still produce only one response then you are > dealing with a VI schedule. > > One point worth mentioning is that a common reason why students have problems > doing such analyses is that they switch responses in the middle of an > analysis. I have students do a lot of mother-daughter and father-son > interactions from the perspective of both actors to help them learn to resist > changing the response in the middle of an analysis. > Ken > > > On 7/13/2015 8:41 AM, Michael Britt wrote: >> >> >> >> >> Good explanation Ken. So checking email (or Instagram, etc.) appears to be >> a VI kind of thing - an uncertain amount of time passes and new email (a >> reinforcer) arrives. But, just for the fun of it, let me add in a wrinkle: >> take Instagram: I don’t necessarily have to do anything - except for >> initially following people when I sign up - but if I post a picture on >> Instagram (or write a post on TIPS I suppose) then the chances of me getting >> a response are increased. So that involves a behavior (posting a text or an >> image). Still VI? >> >> Michael >> >> Michael A. Britt, Ph.D. >> [email protected] >> http://www.ThePsychFiles.com >> Twitter: @mbritt >> >> >> >>> On Jul 7, 2015, at 8:09 AM, Kenneth Steele <[email protected]> wrote: >>> >>> >>> >>> There is an easy trick to distinguish between VI and VR schedules. First, >>> imagine a FR 25 schedule. If you double your response rate then you will >>> double your reinforcement rate. The same rule applies to a VR 25 schedule. >>> On the other hand, imagine a FI 60 sec schedule. What happens if you >>> double your response rate? The reinforcement rate will remain about >>> constant because the 60-sec rule must be satisfied for either case. >>> >>> The easy way to distinguish between a VI and a VR reinforcement schedule is >>> to imagine the effect of doubling your response rate. If the reinforcement >>> rate doubles then you are dealing with a VR schedule. If the reinforcement >>> rate remains about constant then you are dealing with a VI schedule. >>> >>> Applying that rule to slot machines and email gives you the following. >>> Doubling the rate at which you enter coins into a slot machine will double >>> the rate at which you receive the consequence, hence a VR schedule. >>> Doubling the rate at which you check your email will not double the number >>> of emails that you receive, hence a VI schedule. >>> >>> Ken >>> >>> On Mon, Jul 6, 2015 at 6:41 PM, Beth Benoit <[email protected]> wrote: >>> >>> >>> >>> >>> >>> I have a video of an interview of Skinner talking about variable ratio >>> schedules as being well exemplified by slot machines. Wouldn't checking >>> for messages be the same thing? Sometimes you get one, sometimes you >>> don't. But not getting one doesn't make you less likely to check. And >>> sometimes getting one makes you more likely to check. >>> >>> Beth Benoit >>> Plymouth State University >>> Plymouth, New Hampshire >>> >>> On Mon, Jul 6, 2015 at 6:35 PM, Michael Britt <[email protected]> >>> wrote: >>> >>> >>> >>> >>> >>> >>> >>> >>> Parents know how hard it can be for kids to stay away from their social >>> media connections - be it facebook, instagram or Snapchat. As soon as my >>> 15-year old gets out of swim practice it’s the first thing he does. After >>> all, there might be a message for him. This would be variable interval >>> reinforcement if I’m correct - he doesn’t have to actually do anything but >>> a new message (reinforcer) might have arrived. >>> >>> It seems pretty darn powerful, which seems weird because I’ve always >>> thought of variable interval reinforcers as weak. Thoughts? >>> >>> Michael Paul Brandon Emeritus Professor of Psychology Minnesota State University, Mankato [email protected] --- You are currently subscribed to tips as: [email protected]. To unsubscribe click here: http://fsulist.frostburg.edu/u?id=13090.68da6e6e5325aa33287ff385b70df5d5&n=T&l=tips&o=45896 or send a blank email to leave-45896-13090.68da6e6e5325aa33287ff385b70df...@fsulist.frostburg.edu
