Research Aptitude MCQ collection

181. After formulating the research problem the researcher has to undertake an extensive

Correct Answer: Correct answer is: (D) Literature survey.

Exam Relevance: PhD Qualifying Exams, Research Methodology Exams, Academic Journals

Difficulty: Moderate

Concept notes: A literature survey is crucial for understanding existing research, identifying gaps, and formulating a research problem.

Common Mistakes: Students may mistakenly believe that field or population studies are the immediate next step after formulating a research problem.

Explanations: After formulating a research problem, a literature survey is essential to gather existing knowledge, identify gaps, and refine the research question. This step ensures that the research is grounded in current understanding and contributes new insights.

Option Analysis:

Option A: Field study is typically conducted after the research design and methodology are established, not immediately after formulating the research problem.
Option B: Population study is a type of research design and is not the immediate next step after formulating the research problem.
Option C: Data collection work follows the literature survey and research design phases, not immediately after formulating the research problem.
Option D: Literature survey is the correct step to undertake after formulating the research problem to understand the existing body of knowledge.

182. A researcher examines the effects of three different antihypertensive medications to patients with hypertension.

Correct Answer: Correct answer is: (C) Experimental Research.

Exam Relevance: GRE, MCAT, Nursing Exams

Difficulty: Moderate

Concept notes: Experimental research involves manipulating one variable to determine if changes in one variable cause changes in another variable.

Common Mistakes: Students may confuse experimental research with descriptive research, which only describes characteristics of a population or phenomenon without manipulating variables.

Explanations: The researcher is examining the effects of three different antihypertensive medications, which involves manipulating the type of medication given to patients. This manipulation to observe the effects on blood pressure is characteristic of experimental research.

Option Analysis:

Option A: Exploratory Research involves preliminary investigations to understand a problem or phenomenon better, but does not involve manipulation of variables.
Option B: Descriptive Research involves observing and recording characteristics of a population or phenomenon without manipulation, which does not fit the scenario described.
Option C: Experimental Research involves manipulating variables to observe effects, which aligns with the scenario of testing different medications.
Option D: None of the above is incorrect as experimental research is the appropriate classification for the described scenario.

183. Research may differ along a series of dimensions. Which of the following may be applied to this statement?

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

Exam Relevance: GRE, GMAT, Research Methods in Psychology

Difficulty: Moderate

Concept notes: Research can vary along multiple dimensions, including the type of data collected, the data-collection techniques used, and the level of manipulation involved in data collection.

Common Mistakes: Students may overlook the comprehensive nature of research dimensions and focus on only one aspect, such as data type or collection method.

Explanations: Research can differ in various ways. The type of data collected (qualitative vs. quantitative) is one dimension. The data-collection technique (surveys, experiments, observations) is another. The level of manipulation used to elicit data (controlled experiments vs. naturalistic observation) is a third dimension. Therefore, all of the given options are valid dimensions along which research may differ.

Option Analysis:

Option A: The type of data collected is a valid dimension of research variation.
Option B: The data-collection technique is a valid dimension of research variation.
Option C: The level of manipulation used to elicit data collection is a valid dimension of research variation.
Option D: All of the given options are valid dimensions of research variation.

184. Qualitative and Quantitative

Correct Answer: Correct answer is: (C) Based on the mode of inquiry used.

Exam Relevance: GRE, GMAT, Research Methods in Psychology, Research Methods in Sociology

Difficulty: Moderate

Concept notes: Qualitative and quantitative research are distinguished by the mode of inquiry used to collect and analyze data.

Common Mistakes: Students often confuse the basis of distinction between qualitative and quantitative research, sometimes thinking it is based on the final use or application of the research results.

Explanations: Qualitative research focuses on understanding concepts, thoughts, or experiences, typically using non-numerical data. Quantitative research, on the other hand, involves the collection and analysis of numerical data to test hypotheses or answer specific questions. The distinction between these two types of research is fundamentally based on the mode of inquiry used, which includes the methods of data collection and analysis.

Option Analysis:

Option A: Incorrect because the distinction is not based on who is undertaking the research.
Option B: Incorrect because the distinction is not based on the final use or application of the research results.
Option C: Correct because the distinction is based on the mode of inquiry used, which includes the methods of data collection and analysis.
Option D: Incorrect because while methodology and research design are important, the core distinction is more specifically about the mode of inquiry.

185. A systematic study of facts according to a reliable and correct method of study is called a

Correct Answer: Correct answer is: (D) Scientific Study.

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

Difficulty: Moderate

Concept notes: A systematic study of facts according to a reliable and correct method of study is known as a scientific study.

Common Mistakes: Students may confuse scientific study with other methodologies or techniques, such as social techniques or biological studies, which are more specific to certain fields.

Explanations: A scientific study involves a systematic and methodical approach to gathering and analyzing data. It relies on empirical evidence and follows a structured process to ensure reliability and validity. This aligns with the definition provided in the question, making "Scientific Study" the correct answer.

Option Analysis:

Option A: Methodology refers to the specific procedures and techniques used in a study, but it does not encompass the entire systematic approach described in the question.
Option B: Social Technique is a broad term that may refer to methods used in social sciences, but it does not capture the systematic and reliable method of study described in the question.
Option C: Biological Study is specific to the field of biology and does not encompass the broader concept of a systematic study of facts.
Option D: Scientific Study is the correct answer as it involves a systematic and reliable method of study across various fields.

186. The ..... scale of measurement is a rank-order scale.

Correct Answer: Correct answer is: (B) Ordinal scale.

Exam Relevance: Statistics exams, Psychology exams, Research Methods exams

Difficulty: Easy

Concept notes: The ordinal scale of measurement is a rank-order scale where data can be ordered or ranked but the differences between the ranks are not necessarily equal.

Common Mistakes: Students often confuse the ordinal scale with the interval scale, which also allows for ranking but also has equal intervals between values.

Explanations: The ordinal scale is a rank-order scale because it allows for the ranking of data points, but it does not provide information about the magnitude of differences between the ranks. This is why the ordinal scale is the correct answer.

Option Analysis:

Option A: The nominal scale is a scale where data is categorized without any order or ranking. It is not a rank-order scale.
Option B: The ordinal scale is a rank-order scale, which matches the description in the question.
Option C: The interval scale is a scale where data can be ordered and the differences between values are meaningful, but it does not have a true zero point. It is not a rank-order scale in the strict sense.
Option D: The ratio scale is a scale where data can be ordered, differences are meaningful, and there is a true zero point. It is not a rank-order scale in the strict sense.

Mnemonic: ORD - Order, Rank, Difference (not equal)

187. This is a statistical tool that will be used in analyzing the research data.

Correct Answer: Correct answer is: (D) Statistical Treatment.

Exam Relevance: GRE, GMAT, Psychology exams, Statistics exams

Difficulty: Moderate

Concept notes: Statistical treatment involves the application of statistical methods to analyze research data.

Common Mistakes: Students may confuse statistical treatment with data collection procedures or research design, which are different aspects of the research process.

Explanations: Statistical treatment is the correct answer because it refers to the specific methods and techniques used to analyze and interpret data collected during a research study. This includes statistical tests, data transformations, and other analytical procedures that help researchers draw meaningful conclusions from their data.

Option Analysis:

Option A: Data Collection Procedure refers to the methods used to gather data, not the analysis of the data.
Option B: Parameter and Statistic are measures used in statistical analysis but do not encompass the entire process of data analysis.
Option C: Research Design refers to the overall plan and structure of the research study, not the specific methods used to analyze the data.
Option D: Statistical Treatment is the correct choice as it involves the application of statistical methods to analyze research data.

188. Data are collected for the quantitative phase and qualitative phase of the study at the same or during approximately the same time period. Data from both samples (i.e., the quantitative sample and the qualitative sample) are combined and interpreted at the study's data interpretation stage.

Correct Answer: Correct answer is: (A) Concurrent time orientation.

Exam Relevance: PhD Qualifying Exams, Research Methodology Exams, Mixed-Methods Research Exams

Difficulty: Moderate

Concept notes: Concurrent time orientation in mixed-methods research refers to the collection of both quantitative and qualitative data simultaneously or during the same time period. The data from both methods are then combined and interpreted together.

Common Mistakes: Students may confuse concurrent time orientation with sequential time orientation, where data collection for one method is completed before the other.

Explanations: The correct answer is concurrent time orientation because the question specifies that data are collected for both the quantitative and qualitative phases at the same time or during approximately the same time period. This aligns with the definition of concurrent time orientation, where both types of data are collected simultaneously and then combined for interpretation.

Option Analysis:

Option A: Correct. This option accurately describes the scenario where both quantitative and qualitative data are collected at the same time.
Option B: Incorrect. Sequential time orientation involves collecting data for one method before the other, which does not match the scenario described in the question.
Option C: Incorrect. The scenario described in the question fits only with concurrent time orientation, not sequential.
Option D: Incorrect. The scenario described in the question fits with concurrent time orientation, so this option is not correct.

189. All of the following are examples of Intelligence Tests except.....:

Correct Answer: Correct answer is: (D) Minnesota Multiphasic Personality Inventory (MMPI).

Exam Relevance: GRE, MCAT, LSAT, Psychology exams

Difficulty: Moderate

Concept notes: Intelligence tests are designed to measure cognitive abilities, while personality inventories assess personality traits and psychopathology.

Common Mistakes: Students may confuse intelligence tests with personality inventories, as both are psychological assessments.

Explanations: The Stanford-Binet, Slosson, and Wechsler Scales are all well-known intelligence tests designed to measure cognitive abilities such as reasoning, problem-solving, and memory. The Minnesota Multiphasic Personality Inventory (MMPI), however, is a personality inventory used to assess personality traits and psychopathology, not cognitive abilities. Therefore, the MMPI is not an intelligence test.

Option Analysis:

Option A: Stanford-Binet is an intelligence test.
Option B: Slosson is an intelligence test.
Option C: Wechsler Scales are intelligence tests.
Option D: MMPI is a personality inventory, not an intelligence test.

Mnemonic: S-SW (Stanford-Binet, Slosson, Wechsler) for intelligence, MMPI for personality.

190. Greg Beck of Quality Market Research tells placement student John to go out and select for personal interview ten men and ten women. Greg is using..... sampling for this phase of the research.

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

Exam Relevance: Market Research Exams, Survey Methodology Exams, Research Methods Exams

Difficulty: Moderate

Concept notes: Quota sampling involves setting specific quotas for different subgroups within a population to ensure representation. In this case, Greg Beck is instructing John to interview a specific number of men and women, which aligns with quota sampling.

Common Mistakes: Students may confuse quota sampling with stratified sampling, where the population is divided into strata and random samples are taken from each stratum.

Explanations: Greg Beck is using quota sampling because he is specifying a fixed number of men and women to be interviewed. This method ensures that the sample includes a predetermined number of individuals from each subgroup, which is the defining characteristic of quota sampling.

Option Analysis:

Option A: Random sampling involves selecting individuals from the population at random, without any specific quotas or subgroups.
Option B: Stratified sampling involves dividing the population into strata and then randomly selecting individuals from each stratum, which is different from setting specific quotas.
Option C: Quota sampling involves setting specific quotas for different subgroups within a population to ensure representation, which is what Greg Beck is doing.
Option D: Area sampling involves selecting specific geographic areas and then sampling individuals within those areas, which is not relevant to the scenario described.

Mnemonic: Quota: Quantity of each type.

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Research Aptitude MCQ collection - Set 19

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