AP Psychology Chapter 2 Flashcards
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Questions and Answers

What is Hindsight Bias?

  • Research that explores questions without immediate real-world applications
  • Things that can vary among participants in research
  • The tendency to believe after learning an outcome that one would have foreseen it (correct)
  • Research with clear, practical real-world applications
  • What is Applied Research?

    Research with clear, practical real-world applications

    What is Basic Research?

    Explores questions of interest to psychologists, not aimed at immediate applications

    What are Variables?

    <p>Things that can vary among the participants in the research</p> Signup and view all the answers

    What is an Independent Variable?

    <p>The experimental factor manipulated to study its effect</p> Signup and view all the answers

    What is a Dependent Variable?

    <p>A change resulting from the independent variable; the ultimate outcome</p> Signup and view all the answers

    What is Validity in research?

    <p>Research measures what it is intended to measure; accurate</p> Signup and view all the answers

    What is Reliability in research?

    <p>Research can be replicated; consistent</p> Signup and view all the answers

    What is a Hypothesis?

    <p>A testable prediction about the relationship between two variables</p> Signup and view all the answers

    Who are Participants in research?

    <p>Subjects involved in an experiment; people on whom research is conducted</p> Signup and view all the answers

    What is Sampling?

    <p>The process by which participants are selected</p> Signup and view all the answers

    What is a Population in research?

    <p>All cases in a group being studied from which samples may be drawn</p> Signup and view all the answers

    What is Random Selection?

    <p>A sampling technique where each member has an equal chance of inclusion</p> Signup and view all the answers

    What is a Stratified Sample?

    <p>A sample drawn to ensure known subgroups are represented in proportion</p> Signup and view all the answers

    What are Laboratory Experiments?

    <p>Experiments conducted in a highly controlled environment</p> Signup and view all the answers

    What are Field Experiments?

    <p>Experiments conducted out in the world, lacking control but more realistic</p> Signup and view all the answers

    What is a Confounding Variable?

    <p>A variable other than the independent variable that could influence results</p> Signup and view all the answers

    What is Assignment in research?

    <p>The process by which participants are placed into groups</p> Signup and view all the answers

    What is Random Assignment?

    <p>Assigning participants to groups by chance to minimize differences</p> Signup and view all the answers

    What are Participant-Relevant Confounding Variables?

    <p>Differences among participants that may skew results</p> Signup and view all the answers

    What is Group Matching?

    <p>A design to ensure experimental groups are equal on some criterion</p> Signup and view all the answers

    What are Situation-Relevant Confounding Variables?

    <p>Situations that skew experiment results when not equally applied</p> Signup and view all the answers

    What is Experimenter Bias?

    <p>When researchers unconsciously treat groups differently to confirm their hypothesis</p> Signup and view all the answers

    What is Participant Bias?

    <p>A tendency for participants to respond a certain way because they know they are observed</p> Signup and view all the answers

    What is a Double-Blind Procedure?

    <p>An experimental procedure where both participants and staff are unaware of treatment assignments</p> Signup and view all the answers

    What is a Single-Blind Procedure?

    <p>Procedure where subjects do not know their group assignments</p> Signup and view all the answers

    What are Demand Characteristics?

    <p>Cues that participants might use to understand the purpose of a study</p> Signup and view all the answers

    What is an Experimental Group?

    <p>The group exposed to the treatment in an experiment</p> Signup and view all the answers

    What is a Control Group?

    <p>The group not exposed to treatment for comparison purposes</p> Signup and view all the answers

    What is the Hawthorne Effect?

    <p>When participants change behavior because they know they are in an experiment</p> Signup and view all the answers

    What is the Placebo Effect?

    <p>Results caused by expectations alone, often with an inert substance</p> Signup and view all the answers

    What are Order Effects?

    <p>Changes in results due to the order of experimental tasks</p> Signup and view all the answers

    What is Counterbalancing?

    <p>Using participants as their own control group</p> Signup and view all the answers

    What is Correlation?

    <p>A measure of the extent to which two factors vary together</p> Signup and view all the answers

    What is a Positive Correlation?

    <p>The presence of one thing predicts the presence of another</p> Signup and view all the answers

    What is a Negative Correlation?

    <p>Presence of one thing predicts the absence of another</p> Signup and view all the answers

    What is an Ex Post Facto Study?

    <p>Research controlling all aspects because the independent variable has been predetermined</p> Signup and view all the answers

    What is the Survey Method?

    <p>A technique for ascertaining self-reported attitudes or behaviors</p> Signup and view all the answers

    What is Naturalistic Observation?

    <p>Observing behavior in naturally occurring situations without manipulation</p> Signup and view all the answers

    What is a Case Study?

    <p>An observation technique studying one person in depth</p> Signup and view all the answers

    What is a Theory?

    <p>An explanation organizing observations and predicting behaviors or events</p> Signup and view all the answers

    What is an Operational Definition?

    <p>A statement defining research variables through procedures used</p> Signup and view all the answers

    What is Replication in research?

    <p>Repeating a study to see if basic findings extend to different participants</p> Signup and view all the answers

    What is an Experiment?

    <p>A method where an investigator manipulates factors to observe effects</p> Signup and view all the answers

    Study Notes

    Key Psychological Research Concepts

    • Hindsight Bias: The inclination to believe an event was predictable after it has occurred; commonly expressed as "I knew it all along."
    • Applied Research: Focuses on real-world applications, addressing practical issues and challenges.
    • Basic Research: Curiosity-driven investigation intended to enhance understanding without immediate practical application.
    • Variables: Elements that can change or vary, influencing research outcomes.

    Experimental Design Terminology

    • Independent Variable: The manipulated factor in an experiment aimed at observing its effects on the dependent variable.
    • Dependent Variable: The outcome measured in an experiment that is expected to change based on the independent variable's manipulation.
    • Validity: The extent to which research accurately measures its intended variables.
    • Reliability: The consistency of a research study’s results across multiple trials.

    Participant and Sampling Methods

    • Participants: Individuals involved in a study; the subjects under investigation.
    • Sampling: The method by which participants are selected for study.
    • Population: The complete group from which a sample is drawn for research; represents a broader context.

    Types of Sampling

    • Random Selection: Ensures every individual has an equal chance of being chosen, enhancing sample representativeness.
    • Stratified Sample: A sampling method ensuring specific subgroups are proportionately represented based on key characteristics.

    Experiment Types

    • Laboratory Experiments: Controlled experiments conducted in a managed environment for precise measurement.
    • Field Experiments: Studies carried out in natural settings; less control but greater ecological validity.

    Experimental Challenges

    • Confounding Variable: External factors that may inadvertently affect results, complicating the interpretation of findings.
    • Assignment: The method of grouping participants in an experiment. Random assignment minimizes pre-existing group differences.
    • Participant-Relevant Confounding Variables: Individual differences among participants that can skew results.
    • Situation-Relevant Confounding Variables: Environmental factors that may influence outcomes when groups experience differing conditions.

    Biases in Research

    • Experimenter Bias: A form of bias where researchers inadvertently influence their outcomes; can be minimized through double-blind procedures.
    • Participant Bias: Changes in behavior due to awareness of being observed; reduced using single-blind procedures.
    • Demand Characteristics: Cues that signal the study's purpose, possibly altering participants' responses.

    Key Experimental Components

    • Experimental Group: The group receiving the treatment in an experiment.
    • Control Group: The group not subjected to treatment, used as a reference to evaluate experimental outcomes.
    • Hawthorne Effect: Changes in behavior when participants know they are part of an experiment.

    Study Design Techniques

    • Placebo Effect: Improvements resulting from the expectation of treatment rather than the treatment itself.
    • Order Effects: Variations in results caused by the sequence in which treatments are administered.
    • Counterbalancing: A design technique that uses subjects as their own controls to minimize extraneous variables.

    Correlation and Research Methods

    • Correlation: Assessing the relationship between two variables, showing how one may predict the other.
    • Positive Correlation: Indicates that one variable's presence suggests the other is also present.
    • Negative Correlation: Indicates that one variable's presence suggests the absence of the other.

    Additional Research Approaches

    • Ex Post Facto Study: Research design that looks at existing differences rather than manipulates variables.
    • Survey Method: Collects self-reported data from a representative sample through questions.
    • Naturalistic Observation: Observing behavior in natural contexts without interference.
    • Case Study: An in-depth exploration of a single subject to derive broader insights.
    • Theory: A structured explanation that organizes observations and underpins hypothesis generation.
    • Operational Definition: Specific procedures for measuring variables, critical for replicability and clarity.
    • Replication: Repeating studies to validate findings across different contexts or populations.
    • Experiment: A method involving manipulation of variables to observe effects on behavior or mental processes.

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    Test your knowledge with these flashcards from AP Psychology Chapter 2. This set includes key concepts such as hindsight bias and the distinctions between applied and basic research. Perfect for reinforcing your understanding of essential psychological principles.

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