In the checklist passage, choose the correct noun form to complete the sentence “A checklist is purely objective, no _______________ is involved.”

Introduction / Context:
This cloze test item continues the discussion of checklists and their objectivity. The sentence reads, “A checklist is purely objective, no _______________ is involved.” The idea is that a checklist avoids personal opinions or feelings. The question tests your understanding of how we express the opposite of objectivity, and which noun naturally completes the sentence. You must be able to distinguish between the adjective “subjective”, the abstract noun “subjectivity” and other related forms, and then fit the correct form into the sentence so that both grammar and meaning are accurate.

Given Data / Assumptions:

• Sentence fragment: “A checklist is purely objective, no _______________ is involved.” • Options: subjectiveness, subjective, subjectivity, subjects. • “Objective” is used as an adjective describing the nature of the checklist. • The structure “no ______ is involved” calls for a singular, uncountable noun describing a quality or concept.

Concept / Approach:
The opposite of “objectivity” is “subjectivity”. When we want to say that personal opinions do not influence something, we say “no subjectivity is involved” or “without subjectivity”. The blank comes after “no”, which in this construction is followed by a noun phrase. Among the options, “subjectiveness” is a rarely used noun and sounds awkward in formal writing, “subjective” is an adjective, “subjectivity” is the standard abstract noun, and “subjects” refers to people or topics. Because the sentence contrasts “objective” with its opposite quality, “subjectivity” is the most appropriate and natural choice.

Step-by-Step Solution:
1. Note the structure “no ______ is involved”, which requires a noun representing a quality or concept. 2. Observe that the previous clause uses “purely objective”, so the missing concept is the opposite of objectivity. 3. Classify options: “subjective” (adjective), “subjectivity” (abstract noun), “subjectiveness” (unusual noun), “subjects” (plural countable noun). 4. Test the best candidate: “no subjectivity is involved” is idiomatic and widely used in English. 5. Conclude that “subjectivity” fits both grammatically and semantically as the exact opposite of “objectivity”.

Verification / Alternative check:
Read the full sentence with the selected answer: “A checklist is purely objective, no subjectivity is involved.” This clearly expresses that checklists exclude personal bias and are based only on factual, binary answers. Trying “no subjective is involved” sounds wrong because “subjective” cannot act as a noun here. “No subjectiveness is involved” is understandable but awkward and non-standard. “No subjects is involved” is ungrammatical and changes the meaning to talk about people or topics rather than a quality of judgement. Therefore, “subjectivity” is the only standard, precise and natural choice in this explanatory context.

Why Other Options Are Wrong:
• “subjectiveness” is technically a noun but is rarely used and sounds clumsy; “subjectivity” is the accepted, standard term. • “subjective” is an adjective and cannot directly follow “no” with the singular verb “is”; we need a noun, not a describing word. • “subjects” refers to people or study topics and does not express the intended idea of personal bias or individual opinion.

Common Pitfalls:
Many learners see the familiar adjective “subjective” and mistakenly insert it into the blank without checking the grammar of the full sentence. It is vital to look at the entire structure, especially the verb that follows. The pattern “no + noun + is involved” is very common in formal writing, and it nearly always uses an abstract noun, not an adjective. Remember also that exam setters often pair “objectivity” with “subjectivity” and “objective” with “subjective”, so you should be comfortable switching between these related word forms depending on sentence structure.

Final Answer:
The correct word to complete the sentence is subjectivity, giving “A checklist is purely objective, no subjectivity is involved.”