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MED-PC Output explained:

The following is an example of the MED-PC output that you will receive following the completion of each experiment. This particular example is for Extinction and Spontaneous Recovery. Please note that while this will serve as a guideline for you as to how to read your printout, the data recorded in the arrays will necessarily differ for each experiment. For specifics, please refer to the description of each experiment.

 

File:

C:\PS323.F98\u8218J20.066 File name incorporating course number, semester, date and subject number.

Start

Date:

2/18/98

Date of experiment

End

Date:

2/18/98

Subject:

66

Subject number

Experiment:

3

Experiment number

Group:

6

Student group

Box:

3

Experimental Room

Start

Time:

19:25:13

Time of Experiment

End

Time:

20:13:58

Source

code:

EXTSPR

Name of Experiment

E:

3

Keeps track of the trial number

F:

46

Number of minutes

G:

0

H:

0

I:

251

The number of events to generate the cumulative record

J:

0

…to…

Arrays K - P are not used

Q:

0

R:

90

The number of reinforcers

S:

0

T:

189

Time keepers to generate cumulative record

U:

1199

Time keepers to generate cumulative record

…to…

Arrays V – Z are not used
Array A is used to record the number of responses in each of the three extinction trials

A:

Ext. trial 1 Ext. trial 2 Ext. trial 3

0:00

31

27

3

0

Array B is used to record the amount of time it takes to meet the extinction criteria for each of the three extinction trials

B:

Ext. trial 1 Ext. trial 2 Ext. trial 3

0:00

199

374

189

0

Array C is used to record the time elapsed between responses for the purpose of generating a cumulative record of this experiment.

C:

0:00

1061.1

0.2

470.1

0.2

28.1

5:00

0.2

1706.1

0.2

93.1

0.2

10:00

57.1

0.2

150.1

0.2

67.1

15:00

0.2

34.1

0.2

26.1

0.2

…to…

Cells 16 – 229 are not shown in this example.

230:00

16.1

84.1

9.1

20.1

2.1

235:00

17.1

6.1

107.1

34.1

1.1

240:00

214.1

28.1

11.1

27.1

1200.6

245:00

0.5

7752.6

0.5

514.1

126.1

250:00

56.1

Array D is used to keep the number of responses by minute throughout the experiment

D:

Minutes Minutes Minutes Minutes Minutes

0:00

0

1

2

0

0

5:00

4

15

12

13

11

10:00

12

10

10

28

3

15:00

0

0

0

0

0

20:00

0

0

0

0

0

25:00

8

1

14

4

0

30:00

0

0

0

0

0

35:00

0

0

0

0

0

40:00

0

0

0

0

3

45:00

0

0