Answer:
D). Articulate the nature of the relationships among phenomena.
Explanation:
A theory is demonstrated as the formal statement that aims to describe or elucidate a specific process or idea on the basis of general principles.
As per the question, the central power of theories prevails in their ability to 'articulate the nature of the relationships among phenomena' on the grounds of general laws and principles rationally. <u>These acts to provide an understanding of these relationships and acts authentic supporting evidence to substantiate a particular claim or reach a conclusion regarding these phenomena.</u> It also assists in evaluating as well as extending the present knowledge along with providing the explanation and understanding. Therefore, <u>option D</u> is the correct answer.
Answer:
Reliable but not valid
Explanation:
Validity and reliability are two concepts in research study that is used for evaluating the quality of a research. They show how well a test, or a method measures something. Reliability is a measure of how consistent the test or measure is, while validity measures the accuracy level of the test or measure. In the example above, the measure is reliable, because the consistency of the result is not in doubt here, what is in doubt is how accurate the measure us. Here the respondents are unwilling to report unhappy feelings because they dont want to be judged, hence validity will be questioned here.
A map is a graphical representation of the Earth on a flat surface like paper, whereas the globe is a spherical structure shaped like the Earth. This makes a map more useful as the researchers can study the minutest details of the geographical features.