They allow readers to multitask
Answer:
- Variable interval.
Explanation:
'Variable interval' schedule is demonstrated as the schedule in which a particular response or action is after an uncertain period of time which could be few hours, day, a week, etc. in order to reinforce a particular behavior or response.
In the given example, I('you' in the example) is studying as the pop quiz can be taken any time throughout the class which exemplify the 'variable interval'. <u>The 'variable interval' has been employed for free-operant conditioning to reinforce a specific behavioral response(studying) through inconsistent rewarding schedule.</u> Therefore, <u>'variable interval'</u> is the answer.
Answer:
gives the background and purpose of an experiment.
Explanation:
Science can be defined as a branch of intellectual and practical study which systematically observe a body of fact in relation to the structure and behavior of non-living and living organisms (animals, plants and humans) in the natural world through experiments.
The introduction in a science text gives the background and purpose of an experiment.