Tony will answer the following 3 questions when performing a cognitive walkthrough using the task analysis
Q1: Is the correct action made evident to the user?
Q2: Do I understand a device action description with what I am trying to do?
Q3: Do I know if I’ve made a right or a wrong choice?
Q1: Is the correct action made evident to the user?
Q2: Do I understand a device action description with what I am trying to do?
Q3: Do I know if I’ve made a right or a wrong choice?
After the cognitive walkthrough, Singh's criticisms were:
- No Punjabi language support
- Annoying recommendations repeating themselve eg. Whiskey prohibition!
- An onscreen guide is needed for entering store card
Task 1: Entering Store card into ShopNav device
Q1: Is the correct action made evident to the user?
The device screen informed me to insert store card into device.
The store card reader was visible, but I wasn’t sure on which way to enter the store card.
An onscreen guide to entering the card would be useful
Q2: Do I understand a device action description with what I am trying to do?
I understand that the store card is reading my card and loading my details.
Q3: Do I know if I’ve made a right or a wrong choice?
Yes, my card was rejected when I entered it the wrong way.
Task 2: Using the product search facility
Q1: Is the correct action made evident to the user?
The search button was very visible on the main screen
Q2: Do I understand a device action description with what I am trying to do?
I understood as I entered my search, the system was looking for the boneless chicken breast meat I wanted
Q3: Do I know if I’ve made a right or a wrong choice?
I found it difficult to enter my product as my English is not brilliant; I want a Punjabi version!
Task 3: View Recommendations
Q1: Is the correct action made evident to the user?
I am given a list of recommended foods depending on my medical conditions; I was recommended salt free peanuts after picking up KP Salty Nuts.
This ensured my blood pressure wouldn’t rise.
Q2: Do I understand a device action description with what I am trying to do?
I understand the system is looking out for my best interests
Q3: Do I know if I’ve made a right or a wrong choice?
I am repeatedly told not to pick up any Whiskey! This is very annoying!
I want Whiskey and this phencaude computer can’t stop me!
Task 4: Navigate user around the store
Q1: Is the correct action made evident to the user?
This was a great feature, I’m get annoyed at walking round the store aimlessly and part time teenage workers not helping you find products.
The device navigates me around the store in a very efficient manor
Q2: Do I understand a device action description with what I am trying to do?
Yes, I simply follow the on screen directions
Q3: Do I know if I’ve made a right or a wrong choice?
I intentionally took a wrong turn and the system did not notice. However, there is a ‘Stop’ feature I could have used when I fancied taking a detour to the ‘MEAT’ aisle.
Task 5: Adding product to Trolley
Q1: Is the correct action made evident to the user?
This was a great surprise, I didn’t realise the trolley scanned products. As I put an Organic Chicken leg into the trolley, a price was displayed! Bruuahhh!!
Q2: Do I understand a device action description with what I am trying to do?
Yes, I realised the product was being scanned as it was dropped into the trolley
Q3: Do I know if I’ve made a right or a wrong choice?
Yes, the product information was displayed as it was scanned.
Task 6: Removing a product from the trolley
Q1: Is the correct action made evident to the user?
I accidentally put some Quorn into my trolley mistaking it for Meat! As I removed the fake meat, it was taken off my running total.
Q2: Do I understand a device action description with what I am trying to do?
Yes
Q3: Do I know if I’ve made a right or a wrong choice?
Yes
Task 7: Paying for shopping
Q1: Is the correct action made evident to the user?
I was aware that I could pay by store card, but I pay with hard cash only. I didn’t use this feature
Q2: Do I understand a device action description with what I am trying to do?
NA
Q3: Do I know if I’ve made a right or a wrong choice?
NA
Task 8: Paying for shopping by cash
Q1: Is the correct action made evident to the user?
I went to checkout as usual, the cashier confirmed my shop and asked me to give it her the money. I paid for it.
Q2: Do I understand a device action description with what I am trying to do?
Sure
Q3: Do I know if I’ve made a right or a wrong choice?
I’m always right, don’t worry bout it
Q1: Is the correct action made evident to the user?
The device screen informed me to insert store card into device.
The store card reader was visible, but I wasn’t sure on which way to enter the store card.
An onscreen guide to entering the card would be useful
Q2: Do I understand a device action description with what I am trying to do?
I understand that the store card is reading my card and loading my details.
Q3: Do I know if I’ve made a right or a wrong choice?
Yes, my card was rejected when I entered it the wrong way.
Task 2: Using the product search facility
Q1: Is the correct action made evident to the user?
The search button was very visible on the main screen
Q2: Do I understand a device action description with what I am trying to do?
I understood as I entered my search, the system was looking for the boneless chicken breast meat I wanted
Q3: Do I know if I’ve made a right or a wrong choice?
I found it difficult to enter my product as my English is not brilliant; I want a Punjabi version!
Task 3: View Recommendations
Q1: Is the correct action made evident to the user?
I am given a list of recommended foods depending on my medical conditions; I was recommended salt free peanuts after picking up KP Salty Nuts.
This ensured my blood pressure wouldn’t rise.
Q2: Do I understand a device action description with what I am trying to do?
I understand the system is looking out for my best interests
Q3: Do I know if I’ve made a right or a wrong choice?
I am repeatedly told not to pick up any Whiskey! This is very annoying!
I want Whiskey and this phencaude computer can’t stop me!
Task 4: Navigate user around the store
Q1: Is the correct action made evident to the user?
This was a great feature, I’m get annoyed at walking round the store aimlessly and part time teenage workers not helping you find products.
The device navigates me around the store in a very efficient manor
Q2: Do I understand a device action description with what I am trying to do?
Yes, I simply follow the on screen directions
Q3: Do I know if I’ve made a right or a wrong choice?
I intentionally took a wrong turn and the system did not notice. However, there is a ‘Stop’ feature I could have used when I fancied taking a detour to the ‘MEAT’ aisle.
Task 5: Adding product to Trolley
Q1: Is the correct action made evident to the user?
This was a great surprise, I didn’t realise the trolley scanned products. As I put an Organic Chicken leg into the trolley, a price was displayed! Bruuahhh!!
Q2: Do I understand a device action description with what I am trying to do?
Yes, I realised the product was being scanned as it was dropped into the trolley
Q3: Do I know if I’ve made a right or a wrong choice?
Yes, the product information was displayed as it was scanned.
Task 6: Removing a product from the trolley
Q1: Is the correct action made evident to the user?
I accidentally put some Quorn into my trolley mistaking it for Meat! As I removed the fake meat, it was taken off my running total.
Q2: Do I understand a device action description with what I am trying to do?
Yes
Q3: Do I know if I’ve made a right or a wrong choice?
Yes
Task 7: Paying for shopping
Q1: Is the correct action made evident to the user?
I was aware that I could pay by store card, but I pay with hard cash only. I didn’t use this feature
Q2: Do I understand a device action description with what I am trying to do?
NA
Q3: Do I know if I’ve made a right or a wrong choice?
NA
Task 8: Paying for shopping by cash
Q1: Is the correct action made evident to the user?
I went to checkout as usual, the cashier confirmed my shop and asked me to give it her the money. I paid for it.
Q2: Do I understand a device action description with what I am trying to do?
Sure
Q3: Do I know if I’ve made a right or a wrong choice?
I’m always right, don’t worry bout it
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