Self-checkout machine observation

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Self-checkout machine observation by Mind Map: Self-checkout machine observation

1. 1. Mr.A (Age:20-30; Gender: male; Items: <3)

1.1. Scan membership card; Scan items

1.1.1. Pay by cash

1.1.1.1. Package items with his bag

1.1.1.1.1. Didn't get his receipt

2. 2. Ms.B(Age:15-20; Gender: female; Items: 7)

2.1. No membership card; Scan items

2.1.1. Fail to scan items& Ask for help

2.1.1.1. Scan items under instruction

2.1.1.1.1. Pay by credit card

3. 3. Ms.C(Age: 30-40; Gender: female; Items:10)

3.1. Scan membership card; Find items according to pictures& Scan items

3.1.1. Fail to weigh her items& Try again

3.1.1.1. Finish scanning& finding all items

3.1.1.1.1. Pay by credit card

4. 4. Ms. D& Mr.E(Age: 30-40; Gender: female& male; Items:10-15)

4.1. Scan membership card; Find items according to pictures& Scan items

4.1.1. Finish scanning& finding all items

4.1.1.1. Forget items& return to shopping

4.1.1.1.1. Get their items& Find items according to pictures& Scan items

5. 5. Mr. F(Age: 20-30; Gender: female; Items: 5)

5.1. No membership card& Use staff's membership card; Scan items

5.1.1. Pay by cash

5.1.1.1. Fail to Pay by cash

5.1.1.1.1. Pay by credit card

6. 6. Mr. G(Age: 40-50; Gender: male; Items: 13)

6.1. Scan membership card; Scan items

6.1.1. Fail to scan all items

6.1.1.1. Find the remaining items according to pictures

6.1.1.1.1. Pay by credit card