January 29, 2013 (chapters 8-11).docx

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Family Relations and Human Development
FRHD 3150
Michelle Preyde

Page 1 of 3 January 29, 2013 (chapters 8-11) FRHD 3150-01  Midterm  Question on the film (Lavoi)  Pick a health behaviour that you want to change and change it for the positive  Film "23 and 1/2 hours : What is the single best thing we can do for our health?" (youtube clip)  Exercise: mostly walking  1/2 an hour to 1 hour exercising/ day  Low fitness was the best predictor of death  Chapters 12 and 13 WILL NOT be on the midterm  Objectives  Stimulus discrimination  Fading  Shaping  Chaining  Contextual stimuli  Stimuli o Anything that you can perceive as present in your environment context  Stimulus control o The degree of correlation between the occurrence of a particular stimulus and of the particular response  Types of stimuli D  Discriminative stimulus (S ) o When the consequence only occurs in the presence of the stimulus  Stimulus delta o If this stimulus is present, then response will not be reinforced o When the consequence never occurs in the presence of the stimulus  Stimulus discrimination training D  Procedure of reinforcing a response in the presence of an S  And extinguishing that response in the presence of stimulus delta  Ie. Posting a sign in a classroom that says "be courteous and pay attention" ; o Discriminative stimulus: people paying attention, sitting in their seat o Stimulus delta: interrupting the learning experience of people around you  Stimulus generalization  Procedure of reinforcing a response in the presence of a stimulus or situation and the effect of the response becoming more probable in the presence of another stimulus or situation  When the behaviour remains the same across various stimuli o Ie. If a teacher was replaced, it would be a different stimulus  How do we generalize o Physical similarity  Stimuli are highly similar in appearance o Common-element stimulus class  Some similarities suggesting a common class (ie. Dogs) o Stimulus equivalence class  Entirely dissimilar but same class (ie. Food)  Fading Page 2 of 3  The gradual change over successive trials of an antecedent stimulus that controls a response so that the response eventually occurs to a partially changed or even new stimulus  The gradual transfer of control from one stimuli to another o Ie. Teaching a child how to say their own name; 1st say their name and point to them and eventually you'll be asking "what is your name?"; same response but different question  Involves successive steps to work towards the desired stimuli/ context, using prompts and reinforcement  Errorless learning  Use of a fading procedure to establish a stimulus discriminations so that no errors occur  Shaping  The development of a new behaviour by reinforcement of successive approximations, and extinguishing earlier approximations  Youtube c
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