20)The comparison group used in experiments to make sure that the treatment/manipulation is causing the experimental results, and not something else outside the experiment:

Group of answer choices

Dependent group

Dependent variable

Control variable

Control group

21)What is the main benefit grocery stores gain by automating the payment process with self-checkout kiosks?

Group of answer choices

Reducing their cost of labor

Simplifying the process for shoppers

Improving process consistency

Improving customer satisfaction

22)

Tesla cars come with an autopilot option which can steer the vehicle independently while on the road, but a human driver still must be present to manage the vehicle operations. Which level of autonomous driving is it?

Group of answer choices

2

5

3

4