Introduction to Psychology Concepts
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Questions and Answers

What is required for a hypothesis to be considered scientific?

  • There must be a way to conceive of evidence that could prove it false. (correct)
  • It must be possible to prove it true.
  • It should be based solely on expert opinion.
  • It should be widely accepted by the public.
  • What does 'operational definition' refer to in research?

  • A vague description of concepts being studied.
  • The personal opinions of the researchers.
  • A precise method of measuring the variables. (correct)
  • The theoretical framework behind the research.
  • What does replication in research typically involve?

  • Changing the study completely to create new data.
  • Repeating the study with different participants to verify findings. (correct)
  • Conducting a separate study on a related topic without repeating any steps.
  • Only revising the original report based on criticism.
  • Which of the following best describes naturalistic observation?

    <p>Recording behavior in its natural setting without interference. (D)</p> Signup and view all the answers

    What is social desirability bias?

    <p>The tendency to answer questions in a socially favorable manner. (B)</p> Signup and view all the answers

    What effect does self-report bias have on research outcomes?

    <p>It can lead to unrealistic self-perceptions and skew findings. (B)</p> Signup and view all the answers

    What is referred to as the 'sample' in research?

    <p>The group of individuals participating in the study. (B)</p> Signup and view all the answers

    What is the primary focus of biological psychology?

    <p>Genetics and brain structures (A)</p> Signup and view all the answers

    Which psychological perspective emphasizes the significance of unconscious processes?

    <p>Psychodynamic Psychology (B)</p> Signup and view all the answers

    What aspect does socio-cultural psychology primarily examine?

    <p>Cultural, ethnic, and environmental factors (D)</p> Signup and view all the answers

    Which of the following best describes behavioral psychology?

    <p>Analyses learned behaviors and their modifications (D)</p> Signup and view all the answers

    Cognitive psychology primarily studies the relationship between ______ and behavior.

    <p>thinking and perception (C)</p> Signup and view all the answers

    What does evolutionary psychology look for in human thoughts and behaviors?

    <p>Survival advantages related to genes (B)</p> Signup and view all the answers

    Which psychological perspective focuses on emotions and memories that are outside of awareness?

    <p>Psychodynamic Psychology (A)</p> Signup and view all the answers

    Behavioral psychology claims that behaviors are primarily shaped by ______.

    <p>environmental interactions (B)</p> Signup and view all the answers

    What best describes random sampling?

    <p>Every member has an equal chance of being selected. (C)</p> Signup and view all the answers

    What characterizes a representative sample?

    <p>A sample that mirrors the characteristics of the entire population. (A)</p> Signup and view all the answers

    Which statement correctly defines a positive correlation?

    <p>Both variables increase or decrease together. (A)</p> Signup and view all the answers

    What is the third variable problem in statistics?

    <p>When the correlation can be attributed to an unobserved variable. (A)</p> Signup and view all the answers

    Which option correctly describes convenience sampling?

    <p>Choosing individuals based on their availability. (B)</p> Signup and view all the answers

    What does correlation directionality refer to?

    <p>Knowing the relationship exists but not the cause and effect. (C)</p> Signup and view all the answers

    What is a scatterplot used for in statistics?

    <p>To illustrate correlations between two variables. (A)</p> Signup and view all the answers

    What best defines a negative correlation?

    <p>One variable decreases as the other increases. (C)</p> Signup and view all the answers

    What does a correlation coefficient express?

    <p>The degree/strength and direction of a relationship. (A)</p> Signup and view all the answers

    What characterizes an experimental group?

    <p>They receive the actual treatment. (A)</p> Signup and view all the answers

    Which of the following correctly describes a control group?

    <p>They do not receive any treatment. (B)</p> Signup and view all the answers

    What is the main feature of a double-blind study?

    <p>Neither the participants nor the experimenters know which group is which. (D)</p> Signup and view all the answers

    What is the purpose of a placebo in an experiment?

    <p>To establish a control for psychological effects. (C)</p> Signup and view all the answers

    What does the placebo effect refer to?

    <p>A response based solely on expectations. (B)</p> Signup and view all the answers

    Which type of study allows participants to know their group but keeps the researcher's knowledge hidden?

    <p>Single-blind study. (A)</p> Signup and view all the answers

    In which scenario is an experiment most likely biased?

    <p>When the experimenter knows the group assignments. (C)</p> Signup and view all the answers

    What is the purpose of independent variables in an experiment?

    <p>To manipulate and observe effects (D)</p> Signup and view all the answers

    Which of the following describes dependent variables?

    <p>Variables that measure the effects of independent variables (B)</p> Signup and view all the answers

    What does validity refer to in an experiment?

    <p>The extent to which an experiment measures what it intends to (B)</p> Signup and view all the answers

    What is experimenter bias?

    <p>A distortion that can affect data and results due to researcher influence (C)</p> Signup and view all the answers

    Which method is characterized by numerical data, such as survey results?

    <p>Quantitative research (C)</p> Signup and view all the answers

    What type of research relies on narrative analysis and cannot produce numerical data?

    <p>Qualitative research (C)</p> Signup and view all the answers

    Why is it essential to recognize confounding variables in an experiment?

    <p>They can skew results and lead to incorrect conclusions (B)</p> Signup and view all the answers

    Which of the following best defines qualitative research methods?

    <p>Methods that gather in-depth insights but lack quantifiable data (A)</p> Signup and view all the answers

    What is the purpose of confederates in an experiment?

    <p>To act as participants who are part of the study (A)</p> Signup and view all the answers

    What is debriefing in the context of research studies?

    <p>It informs participants of the study's aim and methods (B)</p> Signup and view all the answers

    What does the term 'central tendency' refer to?

    <p>A single score that represents a dataset (B)</p> Signup and view all the answers

    How is the mean calculated?

    <p>By adding all scores and dividing by the count of scores (C)</p> Signup and view all the answers

    What does 'regression toward the mean' imply?

    <p>Extreme scores in a sample will be balanced out over time (B)</p> Signup and view all the answers

    What does percentile rank indicate?

    <p>The proportion of scores lower than a specific score (A)</p> Signup and view all the answers

    What does variation measure in a dataset?

    <p>The average distance of scores from the mean (D)</p> Signup and view all the answers

    Which of the following is NOT one of the measures of central tendency?

    <p>Standard deviation (D)</p> Signup and view all the answers

    Flashcards

    What is psychology?

    The scientific study of the mind and behavior.

    Biological perspective

    Focuses on how genetics, the nervous system, hormones, and brain structures influence a person's thinking and behavior.

    Psychodynamic perspective

    Emphasizes the role of the unconscious mind: the memories, feelings, and drives that are outside of our awareness.

    Socio-Cultural perspective

    Emphasizes the impact of people's culture, religion, ethnicity, gender, income level, and overall environment on a person's thinking and behavior.

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    Behavioral perspective

    Focuses on how behaviors are learned and modified.

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    Cognitive perspective

    Studies how thinking and perception influence behavior.

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    Evolutionary perspective

    Looks for aspects of human thought and behavior that help us and our genes survive over time.

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    Falsifiable Hypothesis

    A statement that can be proven false through scientific testing.

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    Operational Definition

    A specific, measurable way to define and measure variables in a research study.

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    Replication

    Repeating a study with different participants to see if the results are consistent.

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    Naturalistic Observation

    Observing behavior in its natural setting, without interfering.

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    Social Desirability Bias

    The tendency for people to present themselves in a favorable light when answering questions.

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    Self-Report Bias

    A source of bias in research where participants provide inaccurate information about themselves.

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    Sample

    The group of people who participate in a research study.

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    Representative Sample

    A sample of individuals who accurately reflect the characteristics of the entire group being studied.

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    Convenience Sampling

    Choosing participants for a study simply because they are easily accessible.

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    Random Sampling

    A sample where every member of the population has an equal chance of being selected.

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    Population

    The entire group that you are interested in studying.

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    Positive Correlation

    When two variables move in the same direction. As one increases, the other also increases, or as one decreases, the other decreases.

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    Negative Correlation

    When two variables move in opposite directions. As one increases, the other decreases, or vice versa.

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    Correlation Directionality Problem

    A problem in correlation studies where we can't determine which variable causes the other.

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    Third Variable Problem

    When a third, unaccounted-for variable is actually responsible for the correlation between two other variables.

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    Independent Variable

    The variable the experimenter manipulates to see its effect. It's the 'cause' in the experiment.

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    Dependent Variable

    The variable that is measured to see if it's affected by the independent variable. It's the 'effect' in the experiment.

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    Confounding Variable

    A variable that influences both the independent and dependent variables in a confusing way.

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    Validity

    The extent to which an experiment accurately measures or predicts what it intends to.

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    Experimenter Bias

    When the researcher influences data, participants, or results either intentionally or unintentionally.

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    Quantitative Research

    A research method that relies on numerical data like survey results or test scores.

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    Qualitative Research

    A research method that relies on in-depth, narrative analysis that can't be translated into numbers. This includes data like case studies or interview responses.

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    Likert Scale

    A type of quantitative research that uses a scale with a range of responses, typically from strongly agree to strongly disagree.

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    Correlation Coefficient

    A numerical value that expresses the degree/strength of the relationship and its direction.

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    Experiment

    A carefully regulated procedure in which the researcher manipulates one or more variables to see if it influences some other variable.

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    Experimental Group

    The group of people who receive the treatment.

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    Control Group

    The group of people who do not receive the treatment.

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    Single-Blind Study

    Participants do not know which group they are in, but the research does.

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    Double-Blind Study

    Neither the experimenter nor the participants are aware of who is in the experimental group and who is in the control group until the results are calculated.

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    Placebo

    A harmless substance or procedure that seems real but has no physiological effect.

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    Placebo Effect

    A real response to the placebo based solely on expectations, not on the actual properties of the action or substance.

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    Confederates

    Participants in a research study who are intentionally misled about the study's true purpose to maintain the integrity of the experiment.

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    Debriefing

    The process of informing research participants about the true nature of an experiment after it has been completed, including its purpose and methods.

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    Central Tendency

    A single number that represents the whole set of scores in a data set.

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    Mean

    The average score in a sample. It's calculated by adding all the scores and then dividing by the number of scores.

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    Median

    The middle score in a sample, when the scores are arranged in order from lowest to highest.

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    Mode

    The most frequently occurring score in a sample.

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    Regression Toward the Mean

    The tendency for extreme scores in one sample to be followed by scores closer to the mean in the next sample. It happens because extreme scores are less likely to be repeated.

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    Percentile Rank

    A statistical measure that compares a score to others in a group by showing the percentage of scores that are lower than it. For example, a percentile rank of 75 means that 75% of the scores are lower than that score.

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    Study Notes

    Psychology Terminology

    • Psychology: The scientific study of the mind and behavior.
    • Biological Psychology: Focuses on how genetics, the nervous system, hormones, and brain structures influence behavior.
    • Psychodynamic Psychology: Emphasizes the role of the unconscious mind (thoughts, feelings, and drives outside awareness).
    • Socio-Cultural Psychology: Examines how culture, religion, ethnicity, gender, and environmental factors impact behavior.
    • Behavioral Psychology: Studies how behaviors are learned and modified.
    • Cognitive Psychology: Focuses on how thinking and perception influence behavior.
    • Evolutionary Psychology: Explores aspects of human thought and behavior that support survival.
    • Humanistic Psychology: Emphasizes human potential and the drive to be one's best.
    • Cultural Norms: Standards of appropriate behavior within a culture.
    • Confirmation Bias: Gathering evidence that confirms existing beliefs.
    • Critical Thinking: Clear, rational, logical, and independent thought.
    • Hindsight Bias: Overestimating the predictability of past events.
    • Overconfidence Bias: Overestimating one's knowledge and abilities.
    • Descriptive Research: Observation, case studies, surveys to evaluate behavior.
    • Peer Review: Experts evaluating research before publication to ensure quality.
    • Hypothesis: Testable prediction based on a theory.
    • Falsifiability: A theory must be possible to disprove.
    • Operational Definition: Clear description of how variables are measured in a study.
    • Replication: Repeating a study to see if the basic findings can be reproduced.
    • Naturalistic Observation: Observing behavior in natural settings.
    • Social Desirability Bias: Responding to questions in a way that is viewed positively by others.
    • Self-Report Bias: Affecting the outcome of research, participants may be unrealistic about themselves.

    Research Methods

    • Sample: Group of individuals participating in a study.
    • Representative Sample: Matches characteristics of the population.
    • Convenience Sampling: Choosing participants based on availability.
    • Random Sampling: Each member of the population has an equal chance of being selected.
    • Population: The entire group being studied.
    • Positive Correlation: Two variables increase or decrease together.
    • Negative Correlation: One variable increases as the other decreases.
    • Correlation: A measure of the relationship between two variables.
    • Directionality Problem: Correlation does not imply causation.
    • Third-Variable Problem: A third, unmeasured variable might explain the relationship between two observed variables.
    • Scatterplot: Graph of correlation data.
    • Correlation Coefficient: Numerical value indicating the strength and direction of a correlation.
    • Experiment: Carefully controlled procedure to manipulate one or more variables.
    • Experimental Group: Receives the treatment or manipulation.
    • Control Group: Does not receive the treatment.
    • Single-Blind Study: Participants unaware of which group they are in.
    • Double-Blind Study: Neither participants nor researchers know group assignments.
    • Placebo: Inert substance or procedure that seems real.
    • Placebo Effect: Real response to a placebo due to expectations.
    • Independent Variables: Variables manipulated by the researcher.
    • Confounding Variables: Unintended variables that might affect results.
    • Dependent Variables: Variables measured to see the effect of the independent variable.
    • Validity: Extent to which an experiment measures what it intends to measure.
    • Experimenter Bias: Researcher's expectations influencing results.
    • Quantitative Research: Involves numerical data.

    Data Analysis and Interpretation

    • Meta-Analysis: Statistical procedure analyzing multiple studies to reach conclusions.
    • Statistical Significance: Likelihood results are due to chance, not random factors.
    • Effect Size: Strength of relationship between two variables.

    Ethical Considerations in Research

    • Qualitative Research: In-depth analysis of narrative data.
    • Ethical Considerations: Moral principles to guide research practices.
    • Institutional Review Board (IRB): Group that reviews research proposals to ensure safety and rights.
    • Informed Consent: Participants understanding their involvement and potential risks.
    • Informed Assent: For minors, recognizing their developing cognitive capacity, with parental involvement.
    • Protection from Harm: Research methods should avoid unnecessary harm.
    • Confidentiality: Protecting participant information.

    Data Description

    • Central Tendency: Single number representing a set of scores.
    • Mean: Average score.
    • Median: Middle score.
    • Mode: Most frequent score.
    • Regression toward the mean: Extreme scores in one sample tending towards the mean in the next sample.
    • Percentile rank: Percentage of scores below a given score.
    • Variation: Describes how similar or diverse scores are.
    • Range: Difference between highest and lowest scores.
    • Normal Curve: Bell-shaped distribution.
    • Skewness: Symmetry of distribution.
    • Bimodal Distribution: Two peaks in a distribution.
    • Standard Deviation: Measure of how much scores deviate from the mean.
    • Generalizability: Extent research can be applied to a broader population/different context.

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    Unit 0 Vocab Quiz Layout PDF

    Description

    Test your knowledge of fundamental psychological concepts and research methods with this quiz. It covers various perspectives in psychology, including behavioral, cognitive, biological, and socio-cultural approaches. Ideal for introductory psychology students.

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