UGC NET Questions (Paper – 1)

Limitations are constraints or weaknesses in a study that the researcher cannot fully control, such as small sample size, non-response, measurement error or time constraints. These factors may influence the interpretation and generalisation of the findings. By explicitly acknowledging limitations, the researcher helps readers understand the context and boundaries of the conclusions. Because the stem refers to factors beyond the researcher’s control that may affect results, it is describing limitations.

Option A:
Limitations describe the practical and methodological challenges that could not be overcome despite reasonable efforts. They are not deliberate choices but inherent constraints of the research situation. This corresponds closely to the stem’s emphasis on factors beyond the researcher’s control, confirming limitations as the correct answer.

Option B:
Delimitations, in contrast, are boundaries that the researcher consciously sets, such as restricting the study to a particular region or age group. They are intentional decisions to narrow the scope, not uncontrollable factors. Therefore, delimitations does not fit the description in the question.

Option C:
Assumptions are conditions that the researcher accepts as true without direct evidence in the current study, such as believing that respondents answer honestly. While they can influence interpretation, the stem specifically highlights uncontrollable factors affecting results, which is better captured by limitations.

Option D:
Hypotheses are testable propositions about relationships between variables rather than descriptions of weaknesses or constraints. They guide the study’s analytic focus and are evaluated using data. Hence, hypotheses is not an appropriate completion for the stem.

Internal validity refers to the degree to which a study is free from confounding influences and alternative explanations, so that changes in the dependent variable can be ascribed to the independent variable. High internal validity is achieved through control of extraneous variables, random assignment and appropriate design. It is crucial in experimental research where causal claims are being made. Because the stem describes attributing observed changes to the manipulation of the independent variable, internal validity is the correct term.

Option A:
External validity concerns the generalisability of findings to other populations, settings or times, rather than the correctness of causal inference within the study. A study can be internally valid but externally limited, so external validity does not match the stem.

Option B:
Ecological validity focuses on how well research findings reflect real-world behaviours and contexts, often associated with naturalistic settings. While related to generalisability, it is not about directly attributing effects to independent variables in a controlled design. Thus, ecological validity is not the appropriate completion here.

Option C:
Internal validity is enhanced by using control groups, randomisation and standardised procedures to isolate the effect of the independent variable. When these strategies are successful, researchers can more confidently claim that the treatment caused the observed outcomes. This is precisely what the stem is describing.

Option D:
Face validity simply indicates whether a test or study appears, on the surface, to measure what it claims to measure, as judged by laypersons. It does not address deeper issues of causal attribution and control over confounds, so it is not the correct answer.