Which program is an example of a well-produced radio drama that attracted large audiences and won the support of sponsors?

Which of the following is true regarding public speaking?

a. Public speaking almost always occurs in an informal setting. b. Public speaking is equally as deliberate and purposeful as interpersonal conversations. c. Public speaking requires little preparation and practice to be successful. d. Public speaking events include weddings, graduations, and political rallies.

Many researchers suggest a desirable power value is .8 when working at the .05 level of significance

Indicate whether the statement is true or false