Research Aptitude MCQ collection

1121. If an examiner, inadvertently, allows three minutes extra time to some subjects in the group on a test of intelligence used in a research, this will introduce in the experiment

Correct Answer: Correct answer is: (C) Measurement error of constant nature.

Exam Relevance: GRE, GMAT, Psychology exams

Difficulty: Moderate

Concept notes: Measurement error occurs when the measurement process introduces inaccuracies. A constant nature error means the error is consistently applied across the measurements.

Common Mistakes: Students may confuse constant error with random error, where the error varies unpredictably.

Explanations: The examiner inadvertently allowing three minutes extra time to some subjects introduces a consistent error in the measurement of intelligence. This error is constant because it affects all subjects in the same way, adding the same amount of extra time. Therefore, it is classified as a measurement error of constant nature.

Option Analysis:

Option A: Sampling error of random nature refers to errors due to the selection of a sample that does not accurately represent the population, which is not applicable here.
Option B: Measurement error of random nature implies that the error varies unpredictably, which is not the case here as the error is consistently applied.
Option C: Measurement error of constant nature is correct because the error is consistently applied to all subjects, adding the same amount of extra time.
Option D: Sampling error of constant nature refers to errors due to the selection of a sample that consistently deviates from the population, which is not relevant to the measurement process described.

1122. Presents background information, scope, and focus of the research paper.

Correct Answer: Correct answer is: (C) Introduction.

Exam Relevance: GRE, GMAT, TOEFL, Undergraduate Research Methods

Difficulty: Easy

Concept notes: The introduction of a research paper typically provides background information, scope, and focus of the study.

Common Mistakes: Students may confuse the introduction with the conclusion, which summarizes the findings and implications of the research.

Explanations: The introduction section of a research paper is designed to set the stage for the study by providing context, background information, and the scope and focus of the research. This aligns with the description given in the question.

Option Analysis:

Option A: The conclusion summarizes the findings and implications of the research, not the background information, scope, and focus.
Option B: The discussion interprets the results and their implications, not the background information, scope, and focus.
Option C: The introduction provides background information, scope, and focus of the research paper, which matches the description in the question.
Option D: The results section presents the findings of the study, not the background information, scope, and focus.

1123. Who have made the greatest contribution in the development of statistical methods?

Correct Answer: Correct answer is: (D) Mathematicians.

Exam Relevance: GRE, GMAT, Statistics Exams, Mathematics Exams

Difficulty: Moderate

Concept notes: Mathematicians have made significant contributions to the development of statistical methods.

Common Mistakes: Students may mistakenly believe that scientists or economists have made the greatest contributions, as they often use statistical methods in their work.

Explanations: Mathematicians have developed the theoretical foundations and methodologies that underpin statistical analysis. They have created and refined concepts such as probability theory, statistical inference, and various statistical models. These contributions are fundamental to the field of statistics and have enabled scientists, economists, and other professionals to apply statistical methods effectively in their respective fields.

Option Analysis:

Option A: Businessmen typically use statistical methods but do not develop them.
Option B: Scientists apply statistical methods but do not primarily develop them.
Option C: Economists use statistical methods but do not primarily develop them.
Option D: Mathematicians have made the greatest contribution to the development of statistical methods.

Mnemonic: Mnemonic: MATH for Mathematicians Advancing Theoretical Hypotheses

1124. Which is NOT part of the introduction paragraph of an argumentative essay?

Correct Answer: Correct answer is: (D) Evidence.

Exam Relevance: SAT, ACT, AP English Language and Composition

Difficulty: Easy

Concept notes: The introduction paragraph of an argumentative essay typically includes a summary of the topic, bridge statements, and a thesis statement. Evidence is usually presented in the body paragraphs.

Common Mistakes: Students often confuse the structure of an argumentative essay, mistakenly believing that evidence should be included in the introduction.

Explanations: The introduction paragraph of an argumentative essay serves to introduce the topic, provide context, and state the thesis. Evidence is not part of the introduction but is used to support the thesis in the body paragraphs.

Option Analysis:

Option A: A summary of the topic is a common component of the introduction paragraph.
Option B: Bridge statements are used to transition from the general topic to the specific thesis.
Option C: The thesis statement is a crucial part of the introduction, outlining the main argument.
Option D: Evidence is not part of the introduction but is used in the body paragraphs to support the thesis.

1125. The hypothesis that there is no significant difference between specified populations

Correct Answer: Correct answer is: (B) Null Hypothesis (H0).

Exam Relevance: AP Statistics, GRE, MCAT, GMAT

Difficulty: Easy

Concept notes: The null hypothesis (H0) is a statement that there is no significant difference or relationship between specified populations or variables.

Common Mistakes: Students often confuse the null hypothesis with the alternative hypothesis, which proposes a significant difference or relationship.

Explanations: The null hypothesis (H0) is the hypothesis that there is no significant difference between specified populations. It is a foundational concept in statistical hypothesis testing, where it serves as the default or starting assumption that is tested against the alternative hypothesis.

Option Analysis:

Option A: Research Setting is not related to the hypothesis about no significant difference.
Option B: Null Hypothesis (H0) correctly represents the hypothesis that there is no significant difference between specified populations.
Option C: Classroom Action Research is a method of research, not a hypothesis about population differences.
Option D: Quantitative research is a type of research method, not a hypothesis about population differences.

1126. Which one of the following aspect to be evaluated during"Pilot Testing"?

Correct Answer: Correct answer is: (D) All of the given options.

Exam Relevance: PhD Qualifying Exams, Research Methodology Exams, Thesis Defense

Difficulty: Moderate

Concept notes: Pilot testing is a crucial phase in the development of research instruments. It involves administering the instrument to a small sample to identify issues and gather feedback.

Common Mistakes: Students may overlook the importance of evaluating multiple aspects during pilot testing, focusing only on one or two aspects.

Explanations: Pilot testing is designed to evaluate multiple aspects of a research instrument. This includes assessing the reactions of respondents to ensure the questions are clear and understandable, discovering any errors in the instrument to improve its accuracy, and checking the sampling procedure to ensure it is representative and effective. Therefore, all the given options are valid aspects to be evaluated during pilot testing.

Option Analysis:

Option A: Reactions of Respondents are indeed evaluated during pilot testing to ensure the questions are clear and understandable.
Option B: Discovering errors in the instrument is a critical part of pilot testing to improve the accuracy and reliability of the research.
Option C: The sampling procedure can be checked during pilot testing to ensure it is representative and effective.
Option D: All of the given options are correct as they encompass the various aspects evaluated during pilot testing.

1127. What belief did John Dewey hold that influenced action researchers?

Correct Answer: Correct answer is: (B) It is impossible to find universal truths through research.

Exam Relevance: Educational Psychology, Philosophy of Education, Action Research

Difficulty: Moderate

Concept notes: John Dewey, a prominent philosopher and educational theorist, believed that educational research should be context-specific and that universal truths are difficult to establish due to the variability of educational settings and contexts.

Common Mistakes: Students may mistakenly believe that Dewey advocated for universal principles that could be applied across all educational settings.

Explanations: John Dewey emphasized the importance of context in educational research. He believed that what works in one school may not work in another due to differences in context, culture, and specific needs. Therefore, he held the belief that it is impossible to find universal truths through research, as educational practices and outcomes are highly dependent on specific conditions and environments.

Option Analysis:

Option A: This option is incorrect because Dewey did not believe that what works in one school will automatically work in another school. He emphasized the importance of context and specific conditions.
Option B: This option is correct as Dewey believed that educational research should be context-specific and that universal truths are difficult to establish due to the variability of educational settings and contexts.
Option C: This option is incorrect because Dewey did not believe that experimentation should be carried out exclusively by researchers. He advocated for a participatory approach involving educators and students.
Option D: This option is incorrect because Dewey did not believe in a definite beginning and end to inquiry. He emphasized continuous inquiry and learning.

1128. Which of the following terms best describes an interaction effect?

Correct Answer: Correct answer is: (D) The effect of one independent variable (on a DV) depends on the level of another independent variable.

Exam Relevance: AP Psychology, GRE Psychology, Undergraduate Psychology Exams

Difficulty: Moderate

Concept notes: An interaction effect occurs when the effect of one independent variable on the dependent variable changes depending on the level of another independent variable.

Common Mistakes: Students often confuse interaction effects with main effects, where the effect of one independent variable is considered in isolation.

Explanations: An interaction effect is defined as the situation where the effect of one independent variable on the dependent variable is different at different levels of another independent variable. This means that the relationship between one independent variable and the dependent variable is not constant but varies based on the level of the other independent variable.

Option Analysis:

Option A: This describes a sequencing effect, not an interaction effect.
Option B: This describes controlling for extraneous variables, not an interaction effect.
Option C: This describes a main effect, not an interaction effect.
Option D: This correctly defines an interaction effect.

1129. A college wants to give training in use of Statistical Package for Social Sciences (SPSS) to researchers. For this the college should organize:

Correct Answer: Correct answer is: (B) Workshop.

Exam Relevance: GRE, GMAT, Professional Certification Exams

Difficulty: Moderate

Concept notes: Workshops are designed for hands-on training and practical skill development.

Common Mistakes: Students may confuse workshops with seminars, which are more focused on presentations and discussions rather than practical training.

Explanations: A workshop is the most appropriate choice for training in the use of SPSS because it provides hands-on experience and practical guidance, which is essential for mastering software tools. Workshops typically involve interactive sessions where participants can practice using the software under the guidance of an instructor.

Option Analysis:

Option A: A conference is more suited for sharing research findings and networking, not for hands-on training.
Option B: A workshop is ideal for practical training and skill development, making it the best choice for SPSS training.
Option C: A seminar is more focused on presentations and discussions, not practical skill development.
Option D: A lecture is primarily for delivering information and is not interactive enough for practical software training.

Mnemonic: W - Workshop, W - Work, W - Win (practical skills)

1130. Which one of the following belongs to the category of good 'research ethics'?

Correct Answer: Correct answer is: (C) Conducting a review of the literature that acknowledges the contributions of other people in the relevant field or relevant prior work.

Exam Relevance: PhD Qualifying Exams, Research Methodology Exams, Ethics in Research Exams

Difficulty: Moderate

Concept notes: Research ethics involves conducting research with integrity, honesty, and respect for the contributions of others. Acknowledging prior work and contributions is a fundamental aspect of ethical research.

Common Mistakes: Students may overlook the importance of acknowledging prior work, mistakenly believing that their research stands alone and does not need to reference previous studies.

Explanations: Conducting a review of the literature that acknowledges the contributions of other people in the relevant field or relevant prior work is a key component of good research ethics. It ensures that the research is placed in the context of existing knowledge and gives credit to those who have contributed to the field. This practice promotes transparency, integrity, and respect for the scholarly community.

Option Analysis:

Option A: Trimming outliers from a data set without discussing your reasons in a research paper is unethical as it can misrepresent the data and lead to false conclusions.
Option B: Including a colleague as an author on a research paper in return for a favor, even though the colleague did not make a serious contribution, is unethical and violates authorship guidelines.
Option C: Conducting a review of the literature that acknowledges the contributions of other people in the relevant field or relevant prior work is a key component of good research ethics.
Option D: Publishing the same paper in two research journals without telling the editors is unethical and constitutes duplicate publication, which is a form of academic misconduct.

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Research Aptitude MCQ collection - Set 113

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