b. Consider the following research examples, then state if the samples are dependent or independent:

i. Using an online questionnaire, sample the views of a group of people on the usability of the website before and after the major overhaul.

ii. Using an online questionnaire, sample the views of a group of 20-year-old and a group of 60-year-old people before and after the major overhaul.

iii. Sample the views of a group of people from Cape Town and a group from Johannesburg on their view of the new website.

c) What type of performance metrics will be appropriate in the following scenarios?

i. The successful online signing of a smartphone contract.

ii. Completing a given website task in a usability study with some assistance or with plenty of assistance.

iii. Completing the full smartphone order is quick or takes longer than expected.

iv. Being required to start over signing the contract.

v. Choosing the wrong model smartphone.

vi. Having to use the mouse 5 times to find the right make and model of smartphone you want.