In a variable-ratio schedule, the reinforcer is given Group of answer choices after a fixed number of nonreinforced responses after a variable number of nonreinforced responses for the first response that occurs after a fixed amount of time has elapsed for the first response that occurs after a variable amount of time has elapsed

Which is the correct sequence of steps to set up a document in landscape orientation? a. select page setup from the file menu. then click the margins tab and select landscape. b. select page setup from the edit menu. then click the margins tab and select landscape. c. select page setup from the insert menu. then click the margins tab and select landscape. d. select page setup from the format menu. then click the margins tab and select landscape

Before you record your own voice, you should a. record other people's voices b. warm up and practice difficult names c. listen to your favorite songs d. read a transcript of a good radio news segment

Which one of the following voltages should never be measured directly with a vom? a. 1200 v b. 500 v c. 800 v d. 100v