please answer both the questions within 30 minutes. make sure the explanation and reasons are explained in very detailed manner as in why the option is right and why other options are wrong , Attempt the answer only if your are 100% sure that its correct. else leave it for other tutor otherwise i will give negative ratings and will also report your answer for unprofessionalism. Make sure the answer is 100% correct and is not copied from anywhere.

1. Self selection sampling is useful when (a) respondents are easily identifiable (b) respondents are hard to identify (c) we do not have much time to collect data (d) we need information rich cases 2. Through extreme case sampling (a) it is possible to study anomolies in our sample (b) we can explore unusual aspects of the issue under study (c) we can often see aspects of the topic under study more clearly (d) we can expand the boundaries of our understanding beyond the everyday