Sorry but I don't know all of them.
I'm not sure about the ones i wrote either
1. The object will speed up
2. It will slow down/ or stop
B. relied heavily on the concept of natural selection is my best bet
<span>Social engineering describes a psychological manipulation of people in order to convince them to perform certain actions or to say some confidential information.</span>
The attack is the social engineering principal<span> used to convince unsuspecting users to provide sensitive data. This method is also used to convince users to violate security guidelines.</span>
Answer: The correct answer is Solomon four-group design.
Explanation: The Solomon four-group design is a research design in which the four groups of the research have different experiences,
1- The first group is Pretested,
2- The second group or control group is pretested as well,
3- The third group receives treatment and then is post-tested.
4- The fourth group receives no treatment, is post-tested.
This design is done to acknowledge the influence of pretesting in posttest results.
In conclusion, the research design is experimental and its called Solomon four-group design.