Under what circumstances is a case study the preferred technique ...

[Hungry!]

Under what circumstances is a case study the preferred technique for gathering information.
 
  What will be an ideal response?

Question 2

The randomized block design reduces noise or variance in the data.
 
  a. True
  b. False
  Indicate whether the statement is true or false

[dpost18]

Answer to Question 1

The case study approach is usually used to study rare phenomena for which it would be impossible to obtain a large sample of participants. A case study is also useful when you want to provide a detailed description of a specific individual's behavior and/or responses to treatment.

Answer to Question 2

True

[Hungry!]

Great answer, keep it coming

[T4T]

Thanks for the timely response, appreciate it