Assumptions are underlying conditions that the researcher accepts as true for the purposes of the study, even though they are not empirically verified within that investigation. They form the logical foundation on which the design, analysis and interpretation are built. If these assumptions are seriously violated, the conclusions of the study may be undermined. Hence, basic conditions taken as true without proof are called assumptions.
Option A:
Limitations are constraints or weaknesses, such as small sample size or imperfect instruments, that reduce the strength or generalisability of findings. They do not function primarily as logical premises but as acknowledged shortcomings. Therefore, limitations do not match the definition in the stem.
Option B:
Propositions are declarative statements that express relationships between concepts and may be part of a theoretical system. While some propositions might be assumed, the term does not specifically denote the foundational, taken-for-granted conditions of a particular study. Thus, propositions are not the best completion here.
Option C:
Assumptions reflect what the researcher believes to be reasonably true based on prior evidence or accepted practice, such as the validity of a standard test or the sincerity of respondents. These beliefs support the internal coherence of the study without being tested directly. This role aligns precisely with the description given in the question.
Option D:
Hypotheses are tentative predictions that the study seeks to test empirically, rather than starting points taken as given. They may be supported or rejected based on data and are not simply accepted without proof. Consequently, hypotheses are not equivalent to the assumptions described in the stem.
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