www.bbcnoun.com.ng 8/10 Which of the conditions listed below can make a problem impractical to research on? I. Ethical considerations II. Excessive data III. Fund I, II & III The specific objectives or elements whose characteristics are to be described and about which data will be collected are referred to as _____ Unit of analysis Which of the following terms serves as a key step in refining a research problem? Concept development Which of the following statements about research studies is TRUE? A hypothesis must be judged on criterion of its usefulness The elements of theories referred to as building blocks that forms the explanatory statements of a theory are _____ Concepts What is the next step that follows clear definition of key concept in a research study? Review of literature Which of the following occurs as a part of formulating a research programme when there is existing theory to rely on? Concept development Which of the following requirements is expected of a researcher to effectively familiarize himself with the current state of knowledge in his chosen area of study? Review of related literature A conjecture or a guess at the solution to a research problem is called _____________ Hypothesis Which of the following statements is a major purpose of research in exploratory studies? Identifying and defining concept