Option 3: children given water to drink
Answer:
Explanation:
A control group in an experiment is a group separated from the rest of the experiment where the independent variable being tested is not exposed. It is the group not receiving the treatment.
<u>Answer:</u>
The three topics that would draw attention of the students towards the field of cyber security are high earning potential, a career-field in high-demand and service to the public.
Option: (a), (b) and (e)
<u>Explanation:</u>
- <u>High earning potential:</u> first of all, students must be aware that they can have good earning in this field, because the foremost thing in any profession that draws the attention is the economic scope.
- <u>A career-field in high-demand:</u> the point that specialist in this field is the most sought personnel in the market grabs the attention for most of the students.
- <u>Service to the public</u>: every student sees themselves having a good personality who is involved in the social work and serving the public.
In economics, the term marginal<span> is used to indicate the change in some benefit or cost. when an additional unit is produced. For instance, the </span>marginal revenue<span> is the change in. total </span>revenue<span> when an additional unit is produced.</span>
Answer:
Ken has used the Split - Half techniques
Explanation:
The split-half techniques is used to assess the internal consistency of a test.
it measures the extent to which all parts of the test contribute equally to what is being measured.
This is done by comparing the results of one half of a test with the results from the other half. A test can be split in half in several ways.
This method of testing reliability measures internal consistency i.e how well the test components contribute to the construct that’s being measured. It is most commonly used for multiple choice test.
In relation to the above questions the action of Ken shows that he has used the split half techniques in order to assess the reliability of the test.