Dr. Toris wants to test an incentive program designed to increase attendance in her classes. For the first 8 weeks of the semester, she does not use the program and records attendance rates each week. Then she institutes the incentive program for the last 8 weeks and continues to record attendance rates each week. She detects an increase in attendance over the last 8 weeks. This is an example of which experimental design? Group of answer choices one group pretest-posttest interrupted time series non-equivalent control group multiple baseline

Interrupted time series

Explanation:

According to Wikipedia, Interrupted time series analysis, sometimes known as quasi-experimental time series analysis, is an approach for the analysis of a single time series of data known or conjectured to be affected by interventions (controlled external influences).It refer to the specific point at which the intervention was implemented and allow researchers to examine the effect of an intervention where multiple observations are obtained prior to the intervention to establish a baseline.

acid rain is the answer

answer would be b, a tariffs main purpose is to protect domestic production and jobs.