Research Aptitude MCQ collection

1471. Which of the following alternatives specifically denote the criteria for evaluating a hypothesis in researches?

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

Exam Relevance: GRE, MCAT, GMAT, Research Methods Exams

Difficulty: Moderate

Concept notes: In research, evaluating a hypothesis involves several criteria including plausibility, testability, and levels of explanation.

Common Mistakes: Students may overlook the importance of levels of explanation, focusing only on plausibility and testability.

Explanations: Plausibility of explanation refers to the logical coherence and consistency of the hypothesis. Testability of explanation involves the ability to design experiments or gather data to verify the hypothesis. Levels of explanation pertain to the depth and breadth of the hypothesis, ensuring it addresses various aspects of the phenomenon under study. All these criteria are essential for a comprehensive evaluation of a hypothesis.

Option Analysis:

Option A: Plausibility of explanation is a valid criterion for evaluating a hypothesis.
Option B: Testability of explanation is a valid criterion for evaluating a hypothesis.
Option C: Levels of explanation is a valid criterion for evaluating a hypothesis.
Option D: All of the above criteria are valid for evaluating a hypothesis.

1472. Service evaluation of hotels and restaurants can be done by the

Correct Answer: Correct answer is: (A) Self-administered questionnaires.

Exam Relevance: Hospitality Management, Tourism Management, Business Administration

Difficulty: Easy

Concept notes: Self-administered questionnaires are a common method for evaluating services in hotels and restaurants. They allow direct feedback from customers, which can be analyzed to improve service quality.

Common Mistakes: Students may mistakenly believe that only managers or office assistants can evaluate services, overlooking the valuable direct feedback from customers.

Explanations: Self-administered questionnaires are a widely used tool for service evaluation in the hospitality industry. They provide direct feedback from customers, which is crucial for understanding their experiences and identifying areas for improvement. This method is preferred because it allows for a large sample size and can be easily analyzed statistically.

Option Analysis:

Option A: Correct. Self-administered questionnaires are a standard method for collecting customer feedback in hotels and restaurants.
Option B: Incorrect. An office assistant would not typically be responsible for evaluating services comprehensively.
Option C: Incorrect. While managers can evaluate services, they do not directly represent customer feedback as comprehensively as self-administered questionnaires.
Option D: Incorrect. There are valid methods for service evaluation, such as self-administered questionnaires, making this option incorrect.

1473. A survey is limited by the willingness and..... of respondent

Correct Answer: Correct answer is: (D) Co-operation.

Exam Relevance: Market Research Exams, Social Science Research Methods, Public Opinion Surveys

Difficulty: Moderate

Concept notes: The willingness and cooperation of respondents are crucial for the success of a survey.

Common Mistakes: Students may confuse willingness with help or attitude, overlooking the importance of active cooperation.

Explanations: Cooperation is essential because it ensures that respondents actively participate and provide accurate and complete information. Without cooperation, the quality and reliability of the survey data can be compromised.

Option Analysis:

Option A: Help is not as specific as cooperation in the context of survey participation.
Option B: Access refers to the ability to reach respondents, not their willingness to participate.
Option C: Attitude is related to the respondents' feelings but does not directly ensure active participation.
Option D: Cooperation directly impacts the quality and completeness of the survey data.

1474. A short summary of Technical Report is called.....

Correct Answer: Correct answer is: (A) Research Abstract.

Exam Relevance: GRE, GMAT, Research Methodology Exams

Difficulty: Easy

Concept notes: A research abstract is a concise summary of a technical report, providing key information about the study's purpose, methods, results, and conclusions.

Common Mistakes: Students may confuse a research abstract with a full article or publication, which contain more detailed information.

Explanations: A research abstract is a brief summary that captures the essence of a technical report. It is designed to provide a quick overview of the study, including its objectives, methodology, findings, and conclusions. This makes it distinct from a full article or publication, which would contain more detailed information and analysis.

Option Analysis:

Option A: Correct. A research abstract is a short summary of a technical report.
Option B: Incorrect. A guide is a detailed instructional document, not a summary.
Option C: Incorrect. An article typically contains more detailed information than a summary.
Option D: Incorrect. A publication can refer to a full-length document, not just a summary.

1475. ..... is considered as careful investigation or inquiry to find out new facts in any branch of knowledge.

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

Exam Relevance: SAT, ACT, AP Exams, IB Exams

Difficulty: Easy

Concept notes: Research is a systematic investigation or inquiry to discover new facts or information in any field of study.

Common Mistakes: Students may confuse "research" with "search," which is a more general term for looking for information.

Explanations: Research involves a detailed and methodical approach to gather and analyze data, which aligns with the definition of careful investigation or inquiry to find out new facts in any branch of knowledge.

Option Analysis:

Option A: Search is a general term for looking for information, not a systematic investigation.
Option B: Research is the correct term for a careful and systematic investigation to discover new facts.
Option C: Google is a search engine, not a method of investigation or inquiry.
Option D: Wisdom is the quality of having experience, knowledge, and good judgment; it is not a method of investigation.

Mnemonic: R-E-S-E-A-R-C-H: Rigorous Examination Systematically Explores And Reveals Critical Human knowledge.

1476. "There is no significant difference in systolic resting blood pressure before and after a dietary and exercise intervention." This is an example of a .....

Correct Answer: Correct answer is: (C) Null hypothesis for a within measures design.

Exam Relevance: AP Statistics, Psychology Research Methods, Biostatistics

Difficulty: Moderate

Concept notes: The null hypothesis states that there is no significant difference between the groups being compared. In this case, the comparison is made within the same group before and after an intervention, which is characteristic of a within measures design.

Common Mistakes: Students may confuse the null hypothesis with the alternative hypothesis, which would state that there is a significant difference.

Explanations: The null hypothesis for a within measures design asserts that there is no significant difference in the measured variable (systolic resting blood pressure) before and after the intervention. This aligns with the statement provided, making it the correct choice.

Option Analysis:

Option A: Incorrect because the null hypothesis for a between measures design would compare different groups, not the same group before and after an intervention.
Option B: Incorrect because the alternative hypothesis would state that there is a significant difference, which is not the case here.
Option C: Correct because it accurately describes the null hypothesis for a within measures design.
Option D: Incorrect because the alternative hypothesis would state that there is a significant difference, which is not the case here.

Mnemonic: NOD: No Obvious Difference (Null hypothesis for within measures design)

1477. If you are doing experiment on a large group of sample which method of controlling will you adopt?

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

Exam Relevance: AP Statistics, GRE Psychology, MCAT

Difficulty: Moderate

Concept notes: Randomization is a method used in experiments to ensure that each participant has an equal chance of being assigned to any group, thereby reducing bias and controlling for confounding variables.

Common Mistakes: Students may mistakenly believe that matching is the best method for controlling variables in large groups, but randomization is more effective in reducing bias and ensuring that the groups are comparable.

Explanations: Randomization is the most appropriate method for controlling variables in a large group of samples because it ensures that each participant has an equal chance of being assigned to any group. This helps to reduce bias and control for confounding variables, making the results more reliable and generalizable.

Option Analysis:

Option A: Matching involves pairing participants based on specific characteristics, which can be time-consuming and may not be feasible with a large group.
Option B: Randomization is the best method for controlling variables in large groups as it ensures each participant has an equal chance of being assigned to any group, reducing bias.
Option C: Elimination and matching both are not as effective as randomization in controlling for confounding variables in large groups.
Option D: Elimination involves removing certain participants, which can introduce bias and is not as effective as randomization in controlling for confounding variables.

1478. Which of the following is NOT a control procedure used in causal-comparative research?

Correct Answer: Correct answer is: (D) Chi square.

Exam Relevance: Research Methods in Psychology, Statistics Exams, Quantitative Methods in Social Sciences

Difficulty: Moderate

Concept notes: Chi square is a statistical test used to determine if there is a significant difference between the expected frequencies and the observed frequencies in one or more categories. It is not a control procedure used in causal-comparative research.

Common Mistakes: Students may confuse chi square with other statistical tests or control procedures used in causal-comparative research.

Explanations: Chi square is a statistical test used to determine if there is a significant difference between the expected frequencies and the observed frequencies in one or more categories. It is not a control procedure used in causal-comparative research. Control procedures in causal-comparative research include analysis of covariance, subgroups, and matching, which are designed to control for extraneous variables and establish a causal relationship.

Option Analysis:

Option A: Analysis of covariance is a control procedure used in causal-comparative research to control for extraneous variables.
Option B: Subgroups are used in causal-comparative research to control for extraneous variables by comparing similar groups.
Option C: Matching is a control procedure used in causal-comparative research to ensure that the groups being compared are similar on certain characteristics.
Option D: Chi square is a statistical test used to determine if there is a significant difference between expected and observed frequencies, not a control procedure.

1479. The use of words and language both spoken and written; also include a wide range of messages in addition to the use of words to which people assign meanings.

Correct Answer: Correct answer is: (A) Verbal and non-verbal systems.

Exam Relevance: Communication Studies, Psychology, Sociology

Difficulty: Moderate

Concept notes: The use of words and language, both spoken and written, along with a wide range of messages that people assign meanings to, encompasses both verbal and non-verbal systems of communication.

Common Mistakes: Students may confuse verbal and non-verbal systems with the content and relationship dimensions of communication, which are different aspects of communication.

Explanations: Verbal communication involves the use of words, both spoken and written, to convey messages. Non-verbal communication includes gestures, facial expressions, body language, and other forms of expression that do not involve words. Both systems are essential for conveying and interpreting messages effectively. The correct answer, "Verbal and non-verbal systems," accurately captures the essence of the question.

Option Analysis:

Option A: Correct. Verbal and non-verbal systems encompass the use of words and language, both spoken and written, as well as other forms of expression that convey meaning.
Option B: Incorrect. Information and meanings refer to the content of communication but do not cover the methods of communication.
Option C: Incorrect. Content and relationship dimensions refer to different aspects of communication but do not specifically address the use of words and non-verbal cues.
Option D: Incorrect. This option is not applicable as the correct answer is provided in Option A.

Mnemonic: VNS: Verbal and Non-Verbal Systems

1480. Seeks convergence, correspondence, and corroboration of results from different methods

Correct Answer: Correct answer is: (A) Triangulation.

Exam Relevance: PhD Qualifying Exams, Research Methodology Exams, Social Science Research Exams

Difficulty: Moderate

Concept notes: Triangulation is a research method that involves using multiple methods or data sources to study a research question. It aims to achieve a more comprehensive understanding by seeking convergence, correspondence, and corroboration of results from different methods.

Common Mistakes: Students may confuse triangulation with other research methods such as replication or validation, which do not necessarily involve multiple methods or data sources.

Explanations: Triangulation seeks convergence, correspondence, and corroboration of results from different methods. This approach is used to enhance the validity and reliability of research findings by cross-verifying results from multiple perspectives or methods.

Option Analysis:

Option A: Triangulation is the correct answer as it involves seeking convergence, correspondence, and corroboration of results from different methods.
Option B: Development does not relate to the concept of seeking convergence and corroboration of results from different methods.
Option C: Initiation does not involve the process of cross-verifying results from multiple methods or data sources.
Option D: Expansion does not refer to the process of seeking convergence and corroboration of results from different methods.

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Research Aptitude MCQ collection - Set 148

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