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Table 2 Scoring rubric for the Force feedback interpretation questions

From: Undergraduate students’ conceptual interpretation and perceptions of haptic-enabled learning experiences

Configuration/Explanation No explanations or misconceptions (0) Identifies a connection, but it is either incorrect or incoherent (0.5) Correctly identifies all the relevant components (1)
Point (P) No answers or answers contain misconceptions. Student interprets the force feedback in the context of visualization as not proportional. Point charge exerts a greater force when closer to it than farther.
Line (L) No answers or answers contain misconceptions. Student interprets the force feedback in the context of visualization as not proportional. Student identifies individual scenarios, but does not interpret the difference correctly. Line charge exerts greater force when close to the line, but the force decreases inversely proportional to distance as you move away from the charge.
Ring (R) No answers or answers contain misconceptions. Student interprets the force feedback in the context of visualization as not proportional Student thinks that force at center and away from ring is the same. The force is zero at the center, increases from the center to the circumference and decreases outside the ring.