WorksheetsCâu hỏi về Nghiên cứu Khoa học
Total questions: 41
Worksheet time: 21mins
Which type of sampling ensures that every participant has an equal chance of being selected?
Random sampling
Stratified sampling
Purposive sampling
Convenience sampling
What is the main purpose of a pilot study?
To refine research findings
To test the feasibility of research methods
To expand the sample size
To summarize data collection
Which of the following methods is most suitable for collecting qualitative data?
Survey
Interview
Questionnaire
Standardized tests
What is the main advantage of using structured interviews?
Flexibility in responses
Consistency in data collection
Subjective interpretation of data
Open-ended questions
Which of the following is a primary method for collecting quantitative data?
Observation
Focus group
Standardized tests
Case study
Which statistical test is used to compare the means of two independent groups?
ANOVA
T-test
Chi-square test
Regression analysis
What does coding refer to in qualitative data analysis?
Writing research questions
Classifying data into themes
Conducting statistical tests
Collecting numerical data
Which type of data is analyzed by descriptive statistics?
Ordinal data
Nominal data
Quantitative data
Qualitative data
What is the goal of inferential statistics in research?
To describe the characteristics of a sample
To generalize findings from a sample to a population
To collect a large amount of data
To avoid making conclusions about the population
Which software is commonly used for statistical data analysis in applied linguistics?
NVivo
Excel
SPSS
Word
Which of the following indicates the reliability of a research tool?
Consistency of results over time
Accuracy in measuring the desired variable
Flexibility in measurement
Ability to measure multiple variables
What is the concept of validity?
The ability to generalize findings
The degree to which a test measures the concept it claims to measure
The accuracy of data collection methods
The consistency of test scores
Which of the following methods can be used to test the reliability of a test?
Face validity
Test-retest method
Content analysis
Convenience sampling
What does external validity refer to in research?
The ability to generalize research findings to other contexts
The accuracy of measurement tools
The consistency of research results
The internal structure of the research design
A common way to improve the validity of research results is what?
Using a small sample size
Testing a hypothesis multiple times
Conducting a pilot study
Increasing variability in responses
Which of the following is the main principle of ethical research?
Use secret observation
Obtain informed consent from participants
Withhold information from participants
Use biased sampling methods
What is the role of an Institutional Review Board (IRB)?
Collecting data for research projects
Evaluating the ethical aspects of research proposals
Developing research questions
Analyzing data for researchers
Informed consent in research means:
Providing participants with information about the research
Ensuring participants are paid for their participation
Deceiving participants about the purpose of the research
Protecting the confidentiality of participants only in specific cases
Which of the following is considered a violation of research ethics?
Using a pseudonym to protect the identity of participants
Conducting an experimental study
Falsifying data
Providing participants with explanatory information
Which method is commonly used to maintain confidentiality in research?
Using participants' names
Using codes instead of participants' names
Publicly sharing participants' data
Recording all personal details
What is the main purpose of a summary in a research paper?
To discuss the research findings
To summarize the entire research
What is the main purpose of a summary in a research paper?
Discuss the research findings
Summarize the entire research
Distort the data
Provide information to participants
Which section of a research paper presents the study's findings?
Introduction
Literature Review
Results
Discussion
What should be included in the discussion section of a research paper?
Detailed description of data collection methods
Significance of the research findings
An overview of previous studies
Raw data collected
What is a common mistake in research reports?
Including too many details in the methodology
Not reporting the limitations of the study
Citing all sources accurately
Summarizing findings concisely
What does plagiarism relate to?
Using sources without proper citation
Paraphrasing with correct citation
Conducting original research
Reviewing related documents
What is the main function of a hypothesis in research?
Explain the findings
Predict the relationship between variables
Summarize the research methods
Review previous studies
Which of the following is an invalid hypothesis?
There is no relationship between motivation and language learning
Motivation affects language learning outcomes
Students with high motivation learn faster
Motivation and language learning are related
A good research question should be:
Broad and untestable
Specific and researchable
Ambiguous and open-ended
Focused on personal opinions
What is the main purpose of a research question?
Predict the outcome of a study
Guide data analysis
Clarify the research objectives
Collect raw data
Which of the following is a well-constructed research question?
How to improve motivation?
What is the impact of motivation on second language learning in high school students?
Why do students have motivation?
Is motivation important for learning?
What is the main purpose of a literature review?
To collect data for research
To summarize previous research and identify gaps
To analyze research data
To present research findings
What should be included in a document overview?
Raw data collected in the research
Research hypothesis
Summary of related studies and theories
Statistical tests used in the research
Which of the following sources is most suitable for a literature review in applied linguistics?
Article from an academic journal
Personal blog
Online forum
Popular magazine
Which database is commonly used to find peer-reviewed articles in applied linguistics?
PubMed
JSTOR
What is a common trap in writing literature reviews?
Summarizing too many studies
Ignoring conflicting studies
Identifying research gaps
Including diverse perspectives
Which of the following characteristics is associated with qualitative research?
Focus on numerical data
Subjective analysis of textual data
Use of surveys and standardized tests
Generalize results to a large population
Which research method uses statistical analysis to determine the relationship between variables?
Qualitative research
Case study research
Quantitative research
Ethnographic research
What is the main purpose of qualitative research?
To test a hypothesis
To explore a deep understanding of a phenomenon
To collect numerical data
To measure the frequency of an event
In a mixed methods study, qualitative data is often used to:
Generate testable hypotheses
Interpret statistical trends
Verify quantitative findings
Analyze numbers
What is the main strength of quantitative research?
Flexibility in interpreting data
Accuracy in measurement and analysis
Collecting open data
Subjective interpretation of results
