Lesson SEN 19
Task: Screw a lid on a jar.
Prerequisites: ADT 3, SEN 12, SEN 13
Concept: This is very similar to the previous task of taking the lid off a jar (SEN 18). The difference is that even more fine-motor skill is needed to initially place the lid on the jar. Otherwise, the lesson elements are the same. For some students it might be useful to teach both putting on and taking off the lid at the same time.
Behavioral Objective: When requested to "please put on this lid" and presented with a jar with a screw-on lid, the student will place the lid on the jar and rotate the lid until it is secure to a 90% accuracy level for 20 trials.
Materials: Various jars with lids or caps and small items or food that the student enjoys and that can fit into the jars.
Task Analysis:
1. Introduce the student to the various jars selected in the materials section. Assist the student in placing his or her dominant hand on the lid. Attempt to find one jar whose lid or cap is approximately the size of the student's palm.
2. Having selected the jar in Step 1 to be used, place items (small toys or food) into the jar. Physically assist the student through the process of gripping the lid in the dominant hand and bringing it to the mouth of the jar. Guide the student in rotating the lid until the threads begin to "catch."
3. Repeat the skill performed in Step 1 and physically guide the student through the process of turning the lid until it is secure.
4. Gradually reduce all physical prompting until only gestural and verbal step-by-step prompting is needed.
5. Gradually reduce the prompting provided in Step 4 until you need only the total-task request of "please put on this lid." Continue until the objective is met.