Answer:
The Answer is B
Explanation:
because all adults is lower than 15-24 year old and is constant throughout the chart
It's called respect, and it's a basic value for human beings.
Donald trumps birthday is on June 14, 1946.
The researchers were most concerned about External events.
<h3><u>Explanation: </u></h3>
Quasi-experimental designs are different from true experimental designs. They resemble the experimental research but it is not the real one. There are various types of quasi-experiment design, one of the important designs is the pretest and posttest design which is discussed in the above scenario.
The most likely reason for the experimental effect is based on selection bias. Self-fulfilling Prophecy & Instrument Decay might be the potential cause of the internal validity that is linked with the experiment done by the staff.