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Questions and Answers

What is one purpose of using control groups in experimental research?

  • To increase the number of participants in the study
  • To eliminate any need for random assignment
  • To ensure that both groups experience the same external influences (correct)
  • To provide a baseline measurement for all participants

Which of the following best describes 'maturation' as a threat to internal validity?

  • Natural changes over time that can impact a study's outcomes (correct)
  • Changes in external policies affecting participant behavior
  • Differences in measurement techniques used throughout a study
  • Participant dropout rates that might skew results

How does random assignment contribute to internal validity in a study?

  • It eliminates the need for control groups
  • It helps ensure that demographic factors are equally distributed across groups (correct)
  • It increases the reliability of participant responses
  • It guarantees that both groups are exposed to the same external events

What kind of threat does 'testing' pose to the results of an experimental study?

<p>Influence of taking a pre-test on post-test performance (A)</p> Signup and view all the answers

What is a potential consequence of participant mortality or attrition in a study?

<p>It may create systematic biases if not evenly distributed (C)</p> Signup and view all the answers

Which of the following situations illustrates a threat to internal validity due to history?

<p>A new educational policy is implemented during a study's timeline (C)</p> Signup and view all the answers

What does instrumentation refer to as a threat to internal validity?

<p>Variability in how tests are administered or scored (D)</p> Signup and view all the answers

Why is it important for research to validate their measures in experiments?

<p>To confirm that the changes observed are due to the manipulation (A)</p> Signup and view all the answers

What is the primary purpose of using a control group in experimental design?

<p>To eliminate confounding factors and rival explanations (C)</p> Signup and view all the answers

How does random assignment benefit experimental design?

<p>It minimizes threats from selection bias (B)</p> Signup and view all the answers

Which of the following best describes a dependent variable?

<p>A variable that is measured to assess the effect of the independent variable (D)</p> Signup and view all the answers

What does internal validity refer to in experimental research?

<p>The control of confounding variables in determining causal relationships (C)</p> Signup and view all the answers

What is a challenge associated with the manipulation of the independent variable?

<p>It may introduce confounding factors that influence results (B)</p> Signup and view all the answers

Which factor is NOT a threat to external validity?

<p>Random assignment (C)</p> Signup and view all the answers

Measurement validity concerns are crucial for which aspect of a study?

<p>Determining if the measurements accurately reflect the concepts being studied (B)</p> Signup and view all the answers

Why is understanding the complexities of external validity important for researchers?

<p>To generalize findings to a wider population and context (D)</p> Signup and view all the answers

What is the primary concern of the interaction of selection and treatment threat to external validity?

<p>Whether the results can be generalized to various social and psychological groups. (D)</p> Signup and view all the answers

What does the interaction of setting and treatment threat question about research findings?

<p>The applicability of results in different environments or contexts. (A)</p> Signup and view all the answers

How might the interaction of history and treatment threat affect the results of a study conducted over 50 years ago?

<p>It may lead to doubts about the relevance of the findings in modern contexts. (D)</p> Signup and view all the answers

What issue arises from the pre-testing of participants in an experiment?

<p>It may lead to participants being more aware of experimental conditions. (D)</p> Signup and view all the answers

Which of the following scenarios exemplifies a limitation in generalizability due to interaction of selection and treatment?

<p>Outcomes observed only among students from a particular ethnic background. (B)</p> Signup and view all the answers

Why is the interaction of history and treatment a significant concern for research conclusions?

<p>It questions if the treatment would yield similar results in different time periods. (A)</p> Signup and view all the answers

What is a potential drawback of studying only participants from lower-social-class backgrounds?

<p>It limits the applicability of findings to other social classes. (C)</p> Signup and view all the answers

Which of the following best illustrates a concern regarding the interaction effects of pre-testing?

<p>Participants showed improved outcomes merely due to the pre-testing effect. (D)</p> Signup and view all the answers

Flashcards

History Threat

External events, unrelated to the manipulation, that occur during a study and affect the results.

Testing Threat

Taking a pre-test can influence participants' responses in the post-test, due to practice or awareness of the study.

Instrumentation Threat

Changes in the measurement tools or procedures affect the results.

Mortality/Attrition Threat

Loss of participants over time that unevenly affects groups.

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Maturation Threat

Participants' natural changes (growth, skills) impact results, independent of the manipulation.

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Control Group

A group in an experiment that does not receive the treatment or manipulation, used for comparison.

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Random Assignment

Assigning participants to experimental and control groups randomly to minimize bias.

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Interaction of Selection and Treatment

This threat questions if study results apply to different social groups (e.g., ethnicity, social class, gender).

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Interaction of Setting and Treatment

This threat assesses whether results from one setting (e.g., a specific school) can be applied to others or broader contexts.

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Interaction of History and Treatment

This threat considers if study findings apply across different time periods.

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Interaction Effect of Pre-Testing

A threat that arises when participants' pre-testing influences their response to the treatment, limiting generalizability to situations without pre-testing.

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Solution (Maturation)

When maturation affects both groups equally, any observed difference is likely due to the treatment, not maturation.

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Selection Threat

Differences in experimental and control groups stemming from how participants were chosen or assigned.

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Solution (Selection)

Random assignment minimizes pre-existing group differences, reducing selection bias.

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Ambiguity in Causal Direction

Uncertainty about which variable causes the other. Is A causing B or B causing A?

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Solution (Causal Direction)

Manipulating the independent variable first helps specify the causal direction.

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Control Group & Random Assignment

Essential for classical experiments, used to control factors and better understand causality.

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Measurement Validity

Accuracy of measurements reflects the concepts being studied.

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External Validity

Extent to which findings can be generalized beyond the study's conditions.

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Study Notes

Social Research Methods

  • Understanding social research methods is important to prevent errors and difficulties in social research.
  • It helps in being aware of the full range of methods available.
  • Knowledge of research methods helps in understanding the work of other social scientists.
  • Social research is academic work conducted by sociologists, anthropologists, educational researchers, human geographers, social policy experts, political scientists, and criminologists. It's driven by developments in social changes and society.

Research Methods and Methodology

  • Research methods are tools used by social scientists to explore topics. Examples include surveys, interviews, and focus groups.
  • Methodology refers to the wider approach taken in a research project and the rationale behind the research method used.
  • Questions regarding social research include: why conduct social research, gaps in existing academic knowledge, inconsistencies in existing literature, and what is going on in society that is unresolved.

The Role of Theoretical Frameworks

  • Theories guide research topics and interpretations.
  • Theories can influence research, and research outcomes can influence theories.
  • Quantitative studies use hypotheses and theoretical ideas to drive data collection and analysis.
  • Qualitative research often entails strategies that allow theoretical ideas to emerge from the data.

Main Elements of Social Research

  • Research Questions: Explicit statements about the topic of investigation.
  • Sampling: The selection of relevant cases, often people, that are germane to the research questions.
  • Data Collection: The process of gathering data from the sample.
  • Data Analysis: The process of managing, analyzing, and interpreting data.
  • Writing up: The reporting of findings and conclusions.

Data Analysis

  • Data management includes error checking, transcribing audio recordings in qualitative studies, and inputting quantitative data in SPSS or Excel.
  • Data reduction summarizes large data volumes to aid interpretation.
  • Qualitative analysis involves coding data into themes, while quantitative analysis often involves addressing missing data.
  • Analyzing data draws conclusions from the findings and contextualizes the study using the existing literature.

Realities of Social Research

  • Real-world research often involves false starts, mistakes, and revisions to the plan.
  • Researchers should acknowledge the complexities and messiness of social research through transparent and realistic reporting.

Research Strategies

  • Deductive approach involves formulating hypotheses based on existing theories; data collection and analysis are geared toward testing the hypothesis.
  • Inductive approach involves forming theory through data analysis; data collection and analysis are geared toward generating insights and developing theories.

Qualitative Research Strategies

  • Interpretivism emphasizes the importance of understanding human behaviors through subjective perceptions.
  • Hermeneutics emphasizes the influence of history, culture, and language on human understanding.
  • Verstehen aims to place oneself in the position of the people being studied.

Epistemological Considerations

  • Positivism seeks to use scientific methods to study the social world, emphasizing a focus on external reality and empirical data.
  • Realism considers the existence of an objective reality independent of human perception.
  • Interpretivism holds that the social world is based on subjective interpretations, experiences, meanings, and understanding.

Different Research Designs

  • Cross-sectional design: A design used to study a population's traits simultaneously at a single point in time.
  • Longitudinal design: A design used to study changes in a population over time (panel studies or cohort studies).
  • Experimental design: A design that may establish a cause-and-effect relationship between variables (classical experiments or quasi-experiments).
  • Case study design: A detailed investigation of a specific instance, such as a person or entity.

Ethical Considerations

  • Values, ethics, and politics influence social research.
  • Issues of deception, informed consent, confidentiality, potential for harm, and researcher biases must be addressed thoughtfully.
  • Understanding diverse perspectives and diverse positions from both the researcher and the participant improve social research.
  • Strategies to address ethical concerns including maintaining anonymity, ensuring informed consent, respecting privacy, and avoiding deception.

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