SNIFFY THE RAT CLASSICAL CONDITIONING INSTRUCTIONS



Sniffy The Rat Classical Conditioning Instructions

Instructions for Sniffy Lab--LC and PCS Course Hero. Sniffy : the virtual rat : lite version 2.0. Introduction to Classical Conditioning --Classical Conditioning Instructions for Windows XP Users --Instructions for Mac OS X Users --Copying Files From a Floppy Disk to a Hard Disk --Instructions for Windows XP Users --Instructions for Mac OS X Users --Using Sniffy Lite, The virtual rat operant and classical Sniffy : the virtual rat [Tom Alloway; Explore all facets of operant a study of operant and classical conditioning in sniffy the virtual rat and classical conditioning by training Sniffy using # Operant conditioning--Study and Including workbook and Sniffy the Virtual a study of operant and classical conditioning in sniffy the virtual rat Rat..

Sniffy the Virtual Rat Lite Version 3.0 (with CD-ROM

Sniffy the Virtual Rat Lite Version 3.0 with CD-ROM. Classical conditioning in which a conditioned stimulus acquires the capacity to elicit a conditioned response as the result of being paired with an unconditioned stimulus A special cage that contains a lever that a rat can be trained to press and devices for dispensing food and water and presenting other stimuli The part of Sniffy's, Description: Sniffy the Virtual Rat is an interactive CD-ROM that gives students a virtual laboratory experience without using a real laboratory rat (simulation of a rat in a Skinner Box). Users begin by training Sniffy to press a bar to obtain food. Then, they progress to studies of more complex learning phenomena..

Psy 210: SNIFFY PAPER OPTION INSTRUCTIONS AND HELPFUL HINTS FOR WRITING THE REPORT You can design a classical or operant experiment using Sniffy and write up your project as a scientific report. This handout gives you general guidelines for the writing of such an assignment. See the last 20 exercises in SNIFFY for classical conditioning ideas and Classical conditioning offers a set of techniques for getting new, initially ineffective stimuli to elicit respondent behaviors. However, most behaviors do not have stimuli that will reliably elicit them. These other, "operant," behaviors are behaviors that an animal is said to emit. In an operant chamber, Sniffy or a real rat will walk around

Description : Bring the theories of learning to life using SNIFFY, THE VIRTUAL RAT! Instructors praise Sniffy, a realistic digital rat in an operant chamber (Skinner Box), for his ability to give students hands-on experience in setting up and conducting experiments that demonstrate the phenomena of classical and operant conditioning. Psychology 100 Instructions for Sniffy the Virtual Rat Operant Conditioning Lab This week’s lab will take place in one of the computer labs at Knox. Your TA will tell you where to report for the lab for this week. In this lab, you will be shaping the behavior of Sniffy the Virtual Rat and teaching him to press a bar in a Skinner Box in

Sniffy the Virtual Rat, is a fun, interactive software program that gives undergraduate students a virtual laboratory experience . . . without all the drawbacks of using a real laboratory rat. Using Sniffy, students can explore operant and classical by performing experiments that demonstrate most of the major conditioning phenomena discussed in Sniffy the Virtual Rat, is a fun, interactive software program that gives undergraduate students a virtual laboratory experience . . . without all the drawbacks of using a real laboratory rat. Using Sniffy, students can explore operant and classical by performing experiments that demonstrate most of the major conditioning phenomena discussed in

Sniffy the Virtual Rat learning goals: familiarity with a Skinner Box understanding of the concept of shaping behavior understanding of the concept of classical conditioning having a “real” feel of these concepts beyond abstract textbook knowledge activities reading instructions interacting with Sniffy simulation and doing experiments About This Product. Bring the theories of learning to life using SNIFFY, THE VIRTUAL RAT! Instructors praise Sniffy, a realistic digital rat in an operant chamber (Skinner Box), for his ability to give students hands-on experience in setting up and conducting experiments that demonstrate the phenomena of classical and operant conditioning.

Sniffy Assignment #1 - Basics of Classical Conditioning. due Tuesday, Feb 28. In this assignment you will classically condition your rat and investigate the CC phenomena of blocking and overshadowing. Collaboration is not allowed, you should complete this assignment on your own. We report on the use of our Sniffy program to teach operant conditioning to 900 introductory psychology students. The simulation is designed primarily to teach the principles of shaping and partial reinforcement in an operant chamber. Advanced features are provided for exploring modeling issues and the learning parameters of the model.

We report on the use of our Sniffy program to teach operant conditioning to 900 introductory psychology students. The simulation is designed primarily to … Sniffy the Virtual Rat Pro, Version 3.0 (with CD-ROM) [Tom Alloway, Greg Wilson, Jeff Graham] on Amazon.com.au. *FREE* shipping on eligible orders. Meet SNIFFY, THE VIRTUAL RAT! Using this CD-ROM and lab manual, you will get a hands-on experience in setting up and conducting experiments that demonstrate the phenomena of classical and operant conditioning using …

Psychology 100 Instructions for Sniffy the Virtual Rat

sniffy the rat classical conditioning instructions

9780534633608 Sniffy the Virtual Rat Pro Version 2.0. Instructions for Sniffy the Virtual Rat Operant Conditioning Lab In this lab, you will be shaping the behavior of Sniffy the Virtual Rat and teaching him to press a bar in a Skinner Box in order to receive a food reward. Please read the lab manual that is attached to these instructions, and carefully follow the directions for, Read the instructions fully before starting – it’s hard to do it as you’re working on training. Saved full labs from last term. Lab Assignment #2. Due April 4th (in class) After you’ve trained Sniffy and printed your CRs, write a lab report detailing your findings. Operant Conditioning Sniffy the Rat.

A study of operant and classical conditioning in sniffy

sniffy the rat classical conditioning instructions

Sniffy and the Operant Chamber My Assignment Tutor. We report on the use of our Sniffy program to teach operant conditioning to 900 introductory psychology students. The simulation is designed primarily to … https://en.wikipedia.org/wiki/Sniffy May 17, 2018 · Sniffy and the Operant Chamber: An Operant Conditioning Virtual Simulation Nicholas Seet Wei Kiat ID: 13515197 James Cook University Abstract The Sniffy program is designed specifically for the learning of operant conditioning methods. The program includes a virtual rat named Sniffy and a virtual operant … Continue reading "Sniffy and the Operant ….

sniffy the rat classical conditioning instructions


Bring the theories of learning to life using SNIFFY, THE VIRTUAL RAT! Instructors praise Sniffy, a realistic digital rat in an operant chamber (Skinner Box), for his ability to give students hands-on experience in setting up and conducting experiments that demonstrate the phenomena of classical and operant conditioning. Classical conditioning offers a set of techniques for getting new, initially ineffective stimuli to elicit respondent behaviors. However, most behaviors do not have stimuli that will reliably elicit them. These other, "operant," behaviors are behaviors that an animal is said to emit. In an operant chamber, Sniffy or a real rat will walk around

Sniffy the Virtual Rat Pro Version 2.0 is the most recent update to the Sniffy the Rat program modules. It has an extensive set of simulations related to Pavlovian and operant conditioning. Many of the standard conditioning paradigms and phenomena are contained within this program. Sniffy the Virtual Rat Pro, Version 3.0 (with CD-ROM) [Tom Alloway, Greg Wilson, Jeff Graham] on Amazon.com.au. *FREE* shipping on eligible orders. Meet SNIFFY, THE VIRTUAL RAT! Using this CD-ROM and lab manual, you will get a hands-on experience in setting up and conducting experiments that demonstrate the phenomena of classical and operant conditioning using …

An association between the CS and US develops, and the rat slows or stops its lever pressing when the CS comes on. The rate of pressing during the CS measures the strength of classical conditioning; that is, the slower the rat presses, the stronger the association of the CS and the US. About This Product. Bring the theories of learning to life using SNIFFY, THE VIRTUAL RAT! Instructors praise Sniffy, a realistic digital rat in an operant chamber (Skinner Box), for his ability to give students hands-on experience in setting up and conducting experiments that demonstrate the phenomena of classical and operant conditioning.

The Sniffy program contains Sniffy the virtual rat, an operant conditioning chamber, and a cumulative record (CR) that will allow you to track Sniffy’s training progress. The operant conditioning chamber in the program has a water spout, … Classical conditioning offers a set of techniques for getting new, initially ineffective stimuli to elicit respondent behaviors. However, most behaviors do not have stimuli that will reliably elicit them. These other, "operant," behaviors are behaviors that an animal is said to emit. In an operant chamber, Sniffy or a real rat will walk around

Get Your Custom Essay on Sniffy The Virtual Rat Experiment. Variable ratio took the longest time to extinguish because counter conditioning occurred. Sniffy produced tendencies of the approach response but frustration response at the same time. These are incompatible (approach-avoidance conflict). Aug 04, 2017В В· This video is to download the program Sniffy pro free and legal, you can work with rats in a lab the phenomena about Behavioral Psychology, Classical and instrumental conditioning. Download Link

Read the instructions fully before starting – it’s hard to do it as you’re working on training. Saved full labs from last term. Lab Assignment #2. Due April 4th (in class) After you’ve trained Sniffy and printed your CRs, write a lab report detailing your findings. Operant Conditioning Sniffy the Rat Bring the theories of learning to life using SNIFFY, THE VIRTUAL RAT! Instructors praise Sniffy, a realistic digital rat in an operant chamber (Skinner Box), for his ability to give students hands-on experience in setting up and conducting experiments that demonstrate the phenomena of classical and operant conditioning.

Sniffy the Virtual Rat Lite Version 3.0

sniffy the rat classical conditioning instructions

Sniffy the Virtual Rat Pro Version 3.0 (with CD-ROM) 3rd. May 17, 2018 · Sniffy and the Operant Chamber: An Operant Conditioning Virtual Simulation Nicholas Seet Wei Kiat ID: 13515197 James Cook University Abstract The Sniffy program is designed specifically for the learning of operant conditioning methods. The program includes a virtual rat named Sniffy and a virtual operant … Continue reading "Sniffy and the Operant …, Description: Sniffy the Virtual Rat is an interactive CD-ROM that gives students a virtual laboratory experience without using a real laboratory rat (simulation of a rat in a Skinner Box). Users begin by training Sniffy to press a bar to obtain food. Then, they progress to studies of more complex learning phenomena..

Sniffy the virtual rat Simulated operant conditioning

Review of the Book Sniffy the Virtual Rat Pro Version 2.0. Get Your Custom Essay on Sniffy The Virtual Rat Experiment. Variable ratio took the longest time to extinguish because counter conditioning occurred. Sniffy produced tendencies of the approach response but frustration response at the same time. These are incompatible (approach-avoidance conflict)., Bring the theories of learning to life using SNIFFY, THE VIRTUAL RAT! Instructors praise Sniffy, a realistic digital rat in an operant chamber (Skinner Box), for his ability to give students hands-on experience in setting up and conducting experiments that demonstrate the phenomena of classical and operant conditioning..

Instructions for Sniffy Lab--LC and PCS - Learning Operant Conditioning Schedules of Reinforcement Using Sniffy Operant conditioning includes the study. 2000) that simulates operant conditioning of a rat using food as a reward will be used. May 17, 2018 · Sniffy and the Operant Chamber: An Operant Conditioning Virtual Simulation Nicholas Seet Wei Kiat ID: 13515197 James Cook University Abstract The Sniffy program is designed specifically for the learning of operant conditioning methods. The program includes a virtual rat named Sniffy and a virtual operant … Continue reading "Sniffy and the Operant …

To read about how Sniffy was animated to represent a rat receiving a shock, see p. 13. 5. p. 83, last paragraph. This would be a good place at which to start working with the Sniffy Pro software. Read the Preface for instructions on how to load the software onto your computer. Chapter 3. Elicited Behaviors and Classical Conditioning Sniffy the Virtual Rat, is a fun, interactive software program that gives undergraduate students a virtual laboratory experience . . . without all the drawbacks of using a real laboratory rat. Using Sniffy, students can explore operant and classical by performing experiments that demonstrate most of the major conditioning phenomena discussed in

Classical conditioning in which a conditioned stimulus acquires the capacity to elicit a conditioned response as the result of being paired with an unconditioned stimulus A special cage that contains a lever that a rat can be trained to press and devices for dispensing food and water and presenting other stimuli The part of Sniffy's It's Classical Conditioning time! In the preceding example, there was no specific cue (other than time) that told Sniffy when shock would be delivered. Here, you will associate a specific cue with the shock and I think you'll see a difference in his behavior. You'll watch Sniffy learn the association between the cue and shock.

We report on the use of our Sniffy program to teach operant conditioning to 900 introductory psychology students. The simulation is designed primarily to … Classical conditioning offers a set of techniques for getting new, initially ineffective stimuli to elicit respondent behaviors. However, most behaviors do not have stimuli that will reliably elicit them. These other, "operant," behaviors are behaviors that an animal is said to emit. In an operant chamber, Sniffy or a real rat will walk around

Sniffy the Virtual Rat Pro Version 2.0 is the most recent update to the Sniffy the Rat program modules. It has an extensive set of simulations related to Pavlovian and operant conditioning. Many of the standard conditioning paradigms and phenomena are contained within this program. 1 Psychology 100Instructions for Sniffy the Virtual Rat Operant Conditioning LabIn this lab, you will be shaping the behavior of Sniffy the Virtual Rat and teaching him topress a bar in a Skinner Box in order to receive a food reward.

The Sniffy program contains Sniffy the virtual rat, an operant conditioning chamber, and a cumulative record (CR) that will allow you to track Sniffy’s training progress. The operant conditioning chamber in the program has a water spout, … Read the instructions fully before starting – it’s hard to do it as you’re working on training. Saved full labs from last term. Lab Assignment #2. Due April 4th (in class) After you’ve trained Sniffy and printed your CRs, write a lab report detailing your findings. Operant Conditioning Sniffy the Rat

Mar 03, 2011 · Bring the theories of learning to life using SNIFFY, THE VIRTUAL RAT! Instructors praise Sniffy, a realistic digital rat in an operant chamber (Skinner Box), for his ability to give students hands-on experience in setting up and conducting experiments that demonstrate the phenomena of classical and operant conditioning. Users begin by training Sniffy to press a bar … May 17, 2018 · Sniffy and the Operant Chamber: An Operant Conditioning Virtual Simulation Nicholas Seet Wei Kiat ID: 13515197 James Cook University Abstract The Sniffy program is designed specifically for the learning of operant conditioning methods. The program includes a virtual rat named Sniffy and a virtual operant … Continue reading "Sniffy and the Operant …

1 Psychology 100Instructions for Sniffy the Virtual Rat Operant Conditioning LabIn this lab, you will be shaping the behavior of Sniffy the Virtual Rat and teaching him topress a bar in a Skinner Box in order to receive a food reward. Classical conditioning offers a set of techniques for getting new, initially ineffective stimuli to elicit respondent behaviors. However, most behaviors do not have stimuli that will reliably elicit them. These other, "operant," behaviors are behaviors that an animal is said to emit. In an operant chamber, Sniffy or a real rat will walk around

Description: Sniffy the Virtual Rat is an interactive CD-ROM that gives students a virtual laboratory experience without using a real laboratory rat (simulation of a rat in a Skinner Box). Users begin by training Sniffy to press a bar to obtain food. Then, they progress to studies of more complex learning phenomena. Mar 03, 2011В В· Meet SNIFFY, THE VIRTUAL RAT! Using this CD-ROM and lab manual, you will get a hands-on experience in setting up and conducting experiments that demonstrate the phenomena of classical and operant conditioning using Sniffy the digital rat.

Get Your Custom Essay on Sniffy The Virtual Rat Experiment. Variable ratio took the longest time to extinguish because counter conditioning occurred. Sniffy produced tendencies of the approach response but frustration response at the same time. These are incompatible (approach-avoidance conflict). Bring the theories of learning to life using SNIFFY, THE VIRTUAL RAT! Instructors praise Sniffy, a realistic digital rat in an operant chamber (Skinner Box), for his ability to give students hands-on experience in setting up and conducting experiments that demonstrate the phenomena of classical and operant conditioning.

An association between the CS and US develops, and the rat slows or stops its lever pressing when the CS comes on. The rate of pressing during the CS measures the strength of classical conditioning; that is, the slower the rat presses, the stronger the association of the CS and the US. Psychology 100 Instructions for Sniffy the Virtual Rat Operant Conditioning Lab This week’s lab will take place in one of the computer labs at Knox. Your TA will tell you where to report for the lab for this week. In this lab, you will be shaping the behavior of Sniffy the Virtual Rat and teaching him to press a bar in a Skinner Box in

Sniffy the Virtual Rat Pro Version 3.0 (with CD-ROM) 3rd

sniffy the rat classical conditioning instructions

Operant Conditioning Sniffy the Rat. Classical conditioning in which a conditioned stimulus acquires the capacity to elicit a conditioned response as the result of being paired with an unconditioned stimulus A special cage that contains a lever that a rat can be trained to press and devices for dispensing food and water and presenting other stimuli The part of Sniffy's, Mar 03, 2011В В· Bring the theories of learning to life using SNIFFY, THE VIRTUAL RAT! Instructors praise Sniffy, a realistic digital rat in an operant chamber (Skinner Box), for his ability to give students hands-on experience in setting up and conducting experiments that demonstrate the phenomena of classical and operant conditioning..

A study of operant and classical conditioning in sniffy

sniffy the rat classical conditioning instructions

Sniffy the virtual rat lite version 2.0 (Book 2005. We report on the use of our Sniffy program to teach operant conditioning to 900 introductory psychology students. The simulation is designed primarily to teach the principles of shaping and partial reinforcement in an operant chamber. Advanced features are provided for exploring modeling issues and the learning parameters of the model. https://en.wikipedia.org/wiki/Rick_Gibson Oct 11, 2018В В· Bring the theories of learning to life using SNIFFY, THE VIRTUAL RAT! Instructors praise Sniffy, a realistic digital rat in an operant chamber (Skinner Box), for his ability to give students hands-on experience in setting up and conducting experiments that demonstrate the phenomena of classical and operant conditioning..

sniffy the rat classical conditioning instructions


Jun 05, 2003В В· Assignment Psychology 281 Summer 2003. Due: 5 June 2003 Assignment Summary Students will conduct a simple observational study using the free shareware software version of Sniffy the Virtual Rat (which can be downloaded from the Wadsworth website; see below) and write a brief, but comprehensive, report of the study in the scientific paper format. Feb 08, 2009В В· My conditioning of Sniffy the Virtual Rat... Attempting to make him repeatedly push the bar to receive food. Songs:two weeks by all that remains, MFC by Pearl Jam, Crazy Train by Ozzy Osbourne

Mar 03, 2011В В· Bring the theories of learning to life using SNIFFY, THE VIRTUAL RAT! Instructors praise Sniffy, a realistic digital rat in an operant chamber (Skinner Box), for his ability to give students hands-on experience in setting up and conducting experiments that demonstrate the phenomena of classical and operant conditioning. Sniffy Assignment #1 - Basics of Classical Conditioning. due Tuesday, Feb 28. In this assignment you will classically condition your rat and investigate the CC phenomena of blocking and overshadowing. Collaboration is not allowed, you should complete this assignment on your own.

Sniffy the Virtual Rat learning goals: familiarity with a Skinner Box understanding of the concept of shaping behavior understanding of the concept of classical conditioning having a “real” feel of these concepts beyond abstract textbook knowledge activities reading instructions interacting with Sniffy simulation and doing experiments Feb 08, 2009 · My conditioning of Sniffy the Virtual Rat... Attempting to make him repeatedly push the bar to receive food. Songs:two weeks by all that remains, MFC by Pearl Jam, Crazy Train by Ozzy Osbourne

Sniffy the Virtual Rat Pro, Version 3.0 (with CD-ROM) [Tom Alloway, Greg Wilson, Jeff Graham] on Amazon.com.au. *FREE* shipping on eligible orders. Meet SNIFFY, THE VIRTUAL RAT! Using this CD-ROM and lab manual, you will get a hands-on experience in setting up and conducting experiments that demonstrate the phenomena of classical and operant conditioning using … Mar 03, 2011 · Bring the theories of learning to life using SNIFFY, THE VIRTUAL RAT! Instructors praise Sniffy, a realistic digital rat in an operant chamber (Skinner Box), for his ability to give students hands-on experience in setting up and conducting experiments that demonstrate the phenomena of classical and operant conditioning. Users begin by training Sniffy to press a bar …

We report on the use of our Sniffy program to teach operant conditioning to 900 introductory psychology students. The simulation is designed primarily to teach the principles of shaping and partial reinforcement in an operant chamber. Advanced features are provided for exploring modeling issues and the learning parameters of the model. We report on the use of our Sniffy program to teach operant conditioning to 900 introductory psychology students. The simulation is designed primarily to …

To read about how Sniffy was animated to represent a rat receiving a shock, see p. 13. 5. p. 83, last paragraph. This would be a good place at which to start working with the Sniffy Pro software. Read the Preface for instructions on how to load the software onto your computer. Chapter 3. Elicited Behaviors and Classical Conditioning Read the instructions fully before starting – it’s hard to do it as you’re working on training. Saved full labs from last term. Lab Assignment #2. Due April 4th (in class) After you’ve trained Sniffy and printed your CRs, write a lab report detailing your findings. Operant Conditioning Sniffy the Rat

The Sniffy program contains Sniffy the virtual rat, an operant conditioning chamber, and a cumulative record (CR) that will allow you to track Sniffy’s training progress. The operant conditioning chamber in the program has a water spout, … Mar 03, 2011 · Bring the theories of learning to life using SNIFFY, THE VIRTUAL RAT! Instructors praise Sniffy, a realistic digital rat in an operant chamber (Skinner Box), for his ability to give students hands-on experience in setting up and conducting experiments that demonstrate the phenomena of classical and operant conditioning.

Instructions for Sniffy Lab--LC and PCS - Learning Operant Conditioning Schedules of Reinforcement Using Sniffy Operant conditioning includes the study. 2000) that simulates operant conditioning of a rat using food as a reward will be used. Instructions for Sniffy the Virtual Rat Operant Conditioning Lab In this lab, you will be shaping the behavior of Sniffy the Virtual Rat and teaching him to press a bar in a Skinner Box in order to receive a food reward. Please read the lab manual that is attached to these instructions, and carefully follow the directions for

Sniffy the Virtual Rat Pro Version 2.0 is the most recent update to the Sniffy the Rat program modules. It has an extensive set of simulations related to Pavlovian and operant conditioning. Many of the standard conditioning paradigms and phenomena are contained within this program. Read the instructions fully before starting – it’s hard to do it as you’re working on training. Saved full labs from last term. Lab Assignment #2. Due April 4th (in class) After you’ve trained Sniffy and printed your CRs, write a lab report detailing your findings. Operant Conditioning Sniffy the Rat

Classical conditioning in which a conditioned stimulus acquires the capacity to elicit a conditioned response as the result of being paired with an unconditioned stimulus A special cage that contains a lever that a rat can be trained to press and devices for dispensing food and water and presenting other stimuli The part of Sniffy's May 17, 2018 · Sniffy and the Operant Chamber: An Operant Conditioning Virtual Simulation Nicholas Seet Wei Kiat ID: 13515197 James Cook University Abstract The Sniffy program is designed specifically for the learning of operant conditioning methods. The program includes a virtual rat named Sniffy and a virtual operant … Continue reading "Sniffy and the Operant …

sniffy the virtual rat pro version Download sniffy the virtual rat pro version or read online books in PDF, EPUB, Tuebl, and Mobi Format. Click Download or Read Online button to get sniffy the virtual rat pro version book now. This site is like a library, Use … Description : Bring the theories of learning to life using SNIFFY, THE VIRTUAL RAT! Instructors praise Sniffy, a realistic digital rat in an operant chamber (Skinner Box), for his ability to give students hands-on experience in setting up and conducting experiments that demonstrate the phenomena of classical and operant conditioning.

Sniffy the Virtual Rat Pro Version 2.0 is the most recent update to the Sniffy the Rat program modules. It has an extensive set of simulations related to Pavlovian and operant conditioning. Many of the standard conditioning paradigms and phenomena are contained within this program. Sniffy the Virtual Rat learning goals: familiarity with a Skinner Box understanding of the concept of shaping behavior understanding of the concept of classical conditioning having a “real” feel of these concepts beyond abstract textbook knowledge activities reading instructions interacting with Sniffy simulation and doing experiments

sniffy the rat classical conditioning instructions

Psychology 100 Instructions for Sniffy the Virtual Rat Operant Conditioning Lab This week’s lab will take place in one of the computer labs at Knox. Your TA will tell you where to report for the lab for this week. In this lab, you will be shaping the behavior of Sniffy the Virtual Rat and teaching him to press a bar in a Skinner Box in STEP 7: VRIO Analysis of Sniffy The Virtual Rat Experiment: Vrio analysis for Sniffy The Virtual Rat Experiment case study identified the four main attributes which helps the organization to gain a competitive advantages. The author of this theory suggests that firm must be valuable, rare, imperfectly imitable and perfectly non sustainable.