Psychology Research Methods Quiz

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Questions and Answers

Which of the following best describes the concept of "systematic empiricism" in the scientific approach?

  • Focusing on the collection of data through observation, regardless of methodology.
  • Employing a rigorous process of observation and analysis, carefully planned and recorded. (correct)
  • Utilizing intuition and personal experiences to understand phenomena.
  • Testing hypotheses based on anecdotal evidence and personal observations.

Why is replication of studies considered vital in the scientific approach?

  • To ensure that the original research findings were not due to chance or error.
  • To provide more evidence to support existing theories and hypotheses.
  • To identify and correct any potential biases or methodological flaws in the original study.
  • All of the above. (correct)

Which of the following is NOT a characteristic of pseudoscience?

  • Lack of empirical evidence to support claims.
  • Reliance on anecdotal evidence and personal testimonies.
  • Resistance to peer review and independent scrutiny.
  • Emphasis on falsification of claims and hypothesis testing. (correct)

Which of the following research goals aligns with 'applied research'?

<p>Developing intervention strategies for reducing anxiety in students. (D)</p> Signup and view all the answers

Which of the following best explains why common sense can potentially lead to false beliefs?

<p>All of the above. (D)</p> Signup and view all the answers

Why is it difficult to empirically assess the common belief that women talk more than men?

<p>All of the above. (D)</p> Signup and view all the answers

Which of the following is an example of how confirmation bias can influence our beliefs?

<p>All of the above. (D)</p> Signup and view all the answers

Which of these scales is designed to measure attitudes towards others, groups, or ideas?

<p>Likert scales (C)</p> Signup and view all the answers

What is the primary purpose of reverse scoring in Likert scales?

<p>To reduce the risk of response bias by preventing participants from simply agreeing with all items. (D)</p> Signup and view all the answers

Which of the following is NOT a key assumption of single-subject research?

<p>Single-subject research focuses on the study of a single participant, making it suitable for capturing individual behaviors. (B)</p> Signup and view all the answers

Which of the following is NOT a principle of effective questionnaire item writing according to the BRUSO acronym?

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

In an ABA reversal design, what is the primary purpose of the second 'A' phase?

<p>To ensure that any observed changes in the dependent variable during phase B are attributable to the treatment. (D)</p> Signup and view all the answers

When creating a questionnaire, demographic items should be presented last because:

<p>Participants are likely to feel more comfortable answering them after they have completed the survey. (C)</p> Signup and view all the answers

What is a major limitation of the reversal design?

<p>It is ethically problematic to withdraw a treatment that is shown to be effective. (C)</p> Signup and view all the answers

Which sampling technique involves randomly selecting participants from different subgroups within the population?

<p>Stratified random sampling (C)</p> Signup and view all the answers

In probability sampling, what is a sampling frame?

<p>A list or reach of the target population that allows identification of each individual, such as diagnosis required in a hospital or clinical records. (B)</p> Signup and view all the answers

Which of the following scenarios best exemplifies a cluster sampling approach?

<p>Randomly selecting universities in Istanbul and then randomly sampling students from those selected universities to measure their happiness. (A)</p> Signup and view all the answers

Which of the following is NOT a benefit of using probability sampling?

<p>It is more cost-effective than other sampling techniques. (C)</p> Signup and view all the answers

What is the primary reason why single-subject research emphasizes the importance of internal validity?

<p>To establish a causal relationship between the independent and dependent variables. (B)</p> Signup and view all the answers

What is the primary goal of a questionnaire introduction?

<p>To convince participants that the study is important and their participation is valuable. (D)</p> Signup and view all the answers

Which of the following is NOT a factor that can influence response rates in a questionnaire?

<p>The number of participants involved in the study. (B)</p> Signup and view all the answers

Which of the following is an effective technique for increasing questionnaire response rates?

<p>Offering incentives for participation. (D)</p> Signup and view all the answers

What does a literature search primarily help to determine regarding your research question?

<p>If there is existing research addressing the question. (C)</p> Signup and view all the answers

Which type of article provides a summary of research findings with a new interpretation?

<p>Review article (D)</p> Signup and view all the answers

What is the main purpose of a research ethics board?

<p>To review research proposals for potential ethical issues. (D)</p> Signup and view all the answers

Which of the following is not a principle of ethical research practices?

<p>Maintaining commercial interests (C)</p> Signup and view all the answers

In psychological measurement, what is the difference between a conceptual definition and an operational definition?

<p>Conceptual definitions are abstract, while operational definitions are observable. (C)</p> Signup and view all the answers

What defines a mechanistic theory in psychology?

<p>It explains how structures and processes interact to produce a phenomenon. (C)</p> Signup and view all the answers

Which level of measurement assigns scores to category labels without implying any order?

<p>Nominal level (C)</p> Signup and view all the answers

In the context of research ethics, what does the term 'informed consent' refer to?

<p>Providing participants with all necessary information to make a decision about their participation. (B)</p> Signup and view all the answers

Which aspect is critical in the theory testing using the deductive method?

<p>Revising the theory based on findings that confirm or deny predictions. (B)</p> Signup and view all the answers

Which of the following accurately reflects the interpretation of the "b" coefficient in regression analysis?

<p>It indicates the expected change in the dependent variable for a one-unit increase in the corresponding independent variable, holding other independent variables constant. (B)</p> Signup and view all the answers

What distinguishes factor analysis from other statistical analysis methods?

<p>It aims to identify underlying latent variables that contribute to observed variables. (C)</p> Signup and view all the answers

When constructing survey questionnaires, which cognitive process does the "editing response" stage aim to address?

<p>Verifying if the provided response accurately reflects the respondent's initial judgment. (C)</p> Signup and view all the answers

Which of the following is a potential disadvantage of open-ended questions in survey research?

<p>They can be time-consuming for respondents to answer and challenging to analyze. (A)</p> Signup and view all the answers

What is the primary reason for rotating the order of survey questions and response options?

<p>To avoid the influence of previous questions on later answers, known as the item-order effect. (C)</p> Signup and view all the answers

What is the most common reason respondents tend to choose "middle" options in closed-ended surveys?

<p>They believe the middle option represents the most frequent or typical response among the population. (B)</p> Signup and view all the answers

What makes surveys a valuable tool for data collection in social science research?

<p>They can be easily administered to large and diverse participant groups. (B)</p> Signup and view all the answers

Which of the following characteristics does NOT commonly apply to survey research?

<p>Surveys are primarily exploratory in nature, seeking to understand existing patterns. (C)</p> Signup and view all the answers

What is a primary advantage of using close-ended questions in survey research?

<p>They are relatively easy to analyze and compare across respondents. (B)</p> Signup and view all the answers

Which of the following statements accurately describes the role of the "retrieval" stage in the cognitive model of survey construction?

<p>It involves respondents retrieving information from memory to answer the question. (D)</p> Signup and view all the answers

Flashcards

Empiricism

Learning based on observation and gathering information through the senses. This approach forms the foundation of scientific investigation.

Systematic Empiricism

A carefully planned and structured approach to studying phenomena. It involves precise observation, systematic recording, and rigorous analysis.

Empirical Questions

Questions designed to uncover observable truths about the world. They are answerable through direct observation and data collection.

Public Knowledge

The practice of making research findings publicly available through publications like scientific articles. This allows for the sharing of knowledge, improvement of methods, and replication of studies.

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Pseudoscience

A discipline that resembles scientific research but lacks the core principles of the scientific approach. Often, these claims lack empirical evidence or are not falsifiable.

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Confirmation Bias

The tendency to focus on information that confirms our existing beliefs while ignoring evidence that contradicts them. This can lead to biased conclusions.

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Heuristics

Mental shortcuts or rules of thumb we use to simplify decision-making. While they can be helpful, they can also lead to errors in judgment.

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Phenomenon

A reliable general result that can be consistently observed across different studies.

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Theory

A well-established explanation of a phenomenon that provides insights into the variables, processes, and structures involved.

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Hypothesis

A specific prediction about the relationship between variables, often derived from a theory.

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Theory Evaluation

The process of evaluating a theory by examining how well its predictions align with empirical data.

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Model

A detailed and specific explanation of a phenomenon using equations, computer programs, or biological processes.

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Construct

The characteristic or variable being measured in a research study.

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Conceptual Definition

A description of the concept being measured, outlining its essential features, characteristics, and relation to other variables.

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Operational Definition

A specific and detailed description of how a construct will be measured in a research study.

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Reliability

The extent to which a measure consistently produces similar results under consistent conditions.

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Single Subject Research

A research method that studies the behavior of a small group of participants over time, focusing on individual responses rather than averaging group data. It involves experimental manipulation and control, as well as structured data and quantitative analysis.

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ABA Design

A design in single-subject research where the baseline behavior is measured (Phase A), followed by the introduction of a treatment (Phase B), and then the removal of the treatment (Phase A) to assess the treatment's impact on behavior.

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Multiple Treatment Design (ABCA)

A design in single-subject research where multiple treatments are introduced sequentially, with each phase followed by a baseline phase to assess the effectiveness of each treatment.

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Alternating Treatment Design

A type of single-subject research design where treatments are alternated on short intervals to compare their effects on behavior. It is beneficial when comparing treatments that have similar effects but differ in their delivery methods.

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Multiple Baseline Design

A design in single-subject research where the baseline behavior is measured across multiple participants or settings, and the intervention is introduced to only one at a time. This allows for a more controlled assessment of the treatment's effect.

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Likert Scale

A scale used to measure attitudes towards others, groups, or ideas. It includes reverse scoring, where items are worded oppositely to assess consistency in responses.

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Bipolar Scale

Using a scale with labels that range from a positive extreme to its opposite. For example, a scale might range from 'strongly like' to 'strongly dislike', with options for varying levels of agreement in between.

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Multi-Select Question

A type of question used in surveys. It presents respondents with a limited number of options and asks them to select all that apply.

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Simple Random Sampling

A method of sampling where each member of the population has a known and equal chance of being selected.

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Stratified Random Sampling

A technique that aims to address non-response bias by ensuring the sample accurately reflects the proportions of different subgroups within the population.

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BRUSO Principle

A method for designing questions used in surveys. It stands for Brief, Relevant, Unambiguous, Specific, and Objective. Effective items follow these guidelines.

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Rating Scale

A type of scale used in surveys, where respondents choose a numerical rating to indicate the intensity of a specific emotion, feeling, or experience.

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Probability Sampling

A method of sampling where the probability of a population member being selected for the sample is known. It requires a clear definition of the population and a sampling frame.

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Likert Scale

A scale used to measure the degree of agreement or disagreement with a particular statement. It typically includes options like 'strongly disagree', 'disagree', 'neutral', 'agree', and 'strongly agree'.

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Beta Coefficient

The amount of influence an independent variable (IV) has on a dependent variable (DV). It tells you how much change in the DV occurs for every one unit change in the IV.

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Factor Analysis

A statistical analysis technique that groups multiple variables based on their correlations. It helps discover underlying patterns and relationships.

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Factor (Factor Analysis)

A factor is a theoretical construct that is discovered through factor analysis. It represents a common underlying dimension or influence.

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Self-Report (Surveys)

Surveys rely on self-reported information from participants; this means they are asked to provide their own thoughts, feelings, or behaviors.

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Item-Order Effect

The order of questions or response options can impact the way respondents answer. Early items might influence later responses.

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Middle Response Bias

Presenting response options that are in the middle of a scale can make them seem more neutral or typical, leading people to choose them more often.

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Open-Ended Questions

Open-ended questions allow respondents to provide their own answers in their own words.

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Close-Ended Questions

Close-ended questions provide a set of predefined response options for respondents to choose from.

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Cognitive Model of Survey Response

The process by which respondents answer a question involves interpreting the question, accessing relevant information, forming a judgment, and then selecting a response.

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Context Effects (Surveys)

The surrounding context, such as the order of questions or the response options, can influence how respondents interpret and answer questions.

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Study Notes

Descriptive Statistics

  • Summarize data
  • Frequency tables: show how often each value appears
  • Histograms: visual representation of frequency distribution
  • Distribution shapes: symmetrical, skewed (positive/negative)
  • Central tendency: mean, median, mode
  • Variability: range, standard deviation.

Inferential Statistics

  • Draw conclusions about populations from samples
  • Null hypothesis: no relationship between variables
  • Alternative hypothesis: relationship exists
  • P-value: probability of observing the data if the null hypothesis were true. Low p-value supports alternative hypothesis.
  • Alpha level (α): threshold for rejecting the null hypothesis (typically 0.05).

T-tests

  • Compare means between two groups.
  • One-sample t-test: compares a sample mean to a known population mean
  • Independent samples t-test: compares means of two independent groups
  • Paired samples t-test: compares means of two related groups (e.g., pre- and post-test)

ANOVA (Analysis of Variance)

  • Compare means among more than two groups.
  • One-way ANOVA: one independent variable
  • Two-way ANOVA: two independent variables
  • Repeated measures ANOVA: same participants measured across multiple conditions

Correlation

  • Relationship between two continuous variables.
  • Pearson correlation coefficient (r): measures the strength and direction of the linear relationship
  • Correlation does not equal causation.

Regression

  • Predicts a dependent variable based on one or more independent variables.

Quasi-Experimental Designs

  • Examine relationships between variables, but without random assignment.
  • Often use pre-existing groups
  • Pre-test/post-test designs: measure the dependent variable before and after the treatment
  • Interrupted time series designs: measure the dependent variable over time, with and without the treatment
  • Quasi-experiments have weaknesses in establishing causality compared to true experiments.

Experimental Designs

  • Manipulate an independent variable to determine its effect on a dependent variable.
  • Random assignment is essential to control for extraneous factors.
  • Within-subjects design: participants are exposed to all levels of the independent variable
  • Between-subjects design: participants are exposed to only one level of the independent variable
  • Control groups and experimental groups help isolate the effect of the independent variable.

Single-subject Research Designs

  • Focuses on the behavior of one or a few individuals.
  • Collect data before, during, and after the intervention.
  • Baseline (A): measures the behavior before the intervention.
  • Intervention (B): the behavior is monitored while the intervention occurs.
  • Reversal (A) or removal of the treatment is done to evaluate its effectiveness.
  • Important for applied settings, focusing on individual changes rather than group differences.

Survey Methods

  • Gather information about attitudes, beliefs, or behaviors,
  • Questionnaires: sets of structured questions
  • Open-ended questions: allow for detailed responses
  • Close-ended questions: provide limited response choices
  • Context effects: external influence on responses
  • Item order effects: order of questions affect responses
  • Types of scales: unipolar, bipolar, Likert scales
  • Response options: select all that apply, middle options are common

Qualitative Research Methods

  • Gather in-depth information about experiences, meanings, or perspectives.
  • Includes interviews, focus groups, observations.
  • Grounded theory: develops a theory or interpretation based on data analysis.

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