I.                   USING THE DESIGN WINDOW

 

The program window is your workspace. Take a moment to familiarize yourself with the window, its menus, and the toolbars (shown below). The toolbars are identical in function to many of the menu commands. Briefly point the mouse at each button to display a tooltip identifying the button and its function. More specific functions related to this program are presented under Entering and Editing design icons.

 

 

 

 

Drag and drop icons from the list of icons on the left to create a game.

 

Designing games, extensive form games, matrices, combination of different
 

 

 

  1. The basic Icons needed to design an auction

 

 

 

 

 

 

 

  1. Necessary icons

 

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Entering and Editing Design Icons

 

 

II.                BARGAINING GAME

 

  1. Designing one period Ultimatum game

 

1. Adding

 

a.                  Drag and drop Two  icons into a design window.

b.                  Click on the  to select it.

c.                  Double click on  to rename it to .

d.                  Open the  window by double clicking on the edge of the icon or click on to edit the condition. By default the window is empty:

 

e.                  The condition has to be a Boolean type (i.e. true or false).

 

a.                  Double click into   and right mouse click  to access Function editor .

 

 

·               Write the condition directly or with the help of Assistant editor.

·                Condition: subject_number()%2=0 means that remainder is zero (i.e. a subject with an even number is assigned a ). A subject is assigned a consecutive number after login to the game. The first player to login is assigned number 0, the second player to login is assigned number 1.

 

·                Select Assignment 2 as a next assignment (i.e. if subject_number()%2=0 is false then check Assignment2)

 

 

 

 

·                    The result is the link between  and :

·                     Double click on  and change the name to

·                    Condition for  is empty. It means that everybody who does not have an even number is a responder.

·                     The program checks the condition from a starting assignment which is determined with a lighter green color. By default the first assignment created has a lighter color. If you delete that assignment or you want to start from another assignment select that player and then click on .

 

2. Adding  

 

a.                   Create as follows:

·                                            Drag and drop a  into a design window.

·                                            Rename it to .

·                                            Open by selecting and double clicking on the edge of the icon or just clicking on .

 

·                                             Select

 

·                                            Type lower and upper bound for the offers:

 editor should have:

b.                 Create as follows:

·                                             Drag and drop a  into a design window.

·                                             Rename it to .

·                                             Open .

·                                             Select

·                                             For  and click return to verify if the statement is correct. If yes, the red rectangle disappears.

·                                             Write the default values for the :

·                                             Select . It means that a subject has to select one of the two columns (i.e. Accept or Reject by clicking on a cell). Subject will see  as:   and once she selects an option it will be highlighted:

 editor should have:

 

 

 

 

2. Necessary  added.

 

a.             Create  as follows:

·                                            Drag and drop a  and rename it to

·                                            Open  by double clicking on the edge of the icon or by selecting  and clicking on .

·                                             Select 

Note: In order to show the choice: to the responder or in the results, variable   has to be created. and updated with.

 

b.             Create  as follow:

·                     Drag and drop a  and rename it to .

·                     Open .

·                     Change

Note: In order to show the choice:  to the responder or in the results, variable  has to be created.  and updated with.

 

 

c.                  Create  and  to present the earnings at the end of the game. See “Update Variables with ” for the calculations.

·                     Select  

 

d. Create  to show the  the potential earnings if the offer is accepted. See “Update Variables with ” for the calculation.

·                     Select  

 

 

 

 

  1.  added to enhance the presentation of results

a. Create to collect the ID number for each subject.

·                      Change

·                      Select to create a subject specific variable.

 

b. Create  variable to show the data in a tabular form.

·                    Change  given that the data would be a mix of text and real numbers. See “Update Variables with ” for the calculation.

 

·                     Change   , the first row for a proposer, the second row for a responder.

·                      Change  

·                     Labels the columns:

·                    Label the rows:

 

 

d.            Create  to collect all the data for all sessions participating in the experiment by copying .

·                     Select .

 

·                    This data will only appear in the summary stage if it is inserted there:  This stage is selected by clicking on . The font color is light green.

 

·                should not be selected in the design window.

 

 

2.            Add  and

a.       Create stage

 

·                                             Open

·                                             Write instructions

·                                             To insert the image, select

·                                             Select . If