Research Ethics: Principles and Values

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A researcher is exploring the impact of a mindfulness app on reducing anxiety levels among university students before exams. Participants use the app for two weeks, and their anxiety levels are measured before and after the intervention. What potential carryover effect should the researchers be most concerned about?

  • Fatigue effects, due to the repetitive nature of mindfulness exercises leading to decreased engagement and effectiveness over time.
  • Placebo effects, due to some students increasing their performance because they may expect that the app will have a positive effect.
  • Experimenter-expectancy effects, where the researchers communicate (intentionally or unintentionally) their hypotheses.
  • Practice effects, where students inadvertently improve anxiety-coping skills simply by repeatedly measuring their anxiety. (correct)

A researcher is designing a longitudinal study to examine the relationship between childhood trauma and adult mental health outcomes. Considering the ethical guidelines for research with vulnerable populations, what is the most critical initial step the researcher should undertake?

  • Obtaining informed consent from legal guardians without involving the children in the decision-making process.
  • Ensuring that the study design is experimental to establish a clear causal link between childhood trauma and adult mental health outcomes.
  • Establishing a community advisory board consisting of experts in childhood trauma, mental health, and representatives from the community to guide the research process. (correct)
  • Developing a data collection plan that includes detailed questions about traumatic experiences without consulting trauma specialists.

A researcher is reviewing literature on effective interventions for reducing test anxiety in adolescents. After identifying numerous studies, they decide to conduct a meta-analysis. Which of the following steps is most critical for ensuring the validity and rigor of the meta-analysis?

  • Using a single researcher to extract data from all included studies to maintain consistency and minimize subjective bias.
  • Excluding studies with small sample sizes to minimize the risk of biased results.
  • Focusing solely on studies published in top-tier journals to ensure high methodological quality.
  • Developing a detailed protocol outlining the search strategy, inclusion/exclusion criteria, and methods for data extraction and synthesis. (correct)

In an experimental study examining the effects of a new medication on reducing symptoms of social anxiety, researchers used a double-blind procedure. What does this entail, and why is it important?

<p>Neither the participants nor the researchers know who is receiving the active medication versus a placebo, minimizing both placebo effects and experimenter-expectancy effects. (B)</p> Signup and view all the answers

A research team is designing a between-groups experiment to test the effectiveness of a new cognitive training program on improving working memory capacity. To minimize the potential impact of participant characteristics on the study results, what strategy should the researchers prioritize?

<p>Employing random assignment to ensure that individual differences are evenly distributed across the experimental and control groups. (D)</p> Signup and view all the answers

A study is designed to evaluate the impact of a new workplace wellness program on employee productivity. Productivity is measured before the program's implementation, immediately after, and then 6 months later. What type of experimental design does this best exemplify?

<p>A repeated measures design with multiple time points. (D)</p> Signup and view all the answers

A university ethics committee is reviewing a proposed study that involves interviewing undocumented immigrants about their experiences with discrimination and access to healthcare. Which of the following ethical considerations should be given the highest priority?

<p>Protecting participant anonymity and data confidentiality, given the sensitive nature of their legal status and potential risks of exposure. (B)</p> Signup and view all the answers

A researcher is planning a study to investigate the impact of a culturally tailored intervention on improving medication adherence among elderly patients with diabetes from a specific ethnic background. What should the researcher consider to ensure beneficence in this study?

<p>Ensuring the potential benefits of the research outweigh any risks, and that the intervention is designed to minimize potential harm and maximize well-being for the participants. (A)</p> Signup and view all the answers

A researcher is seeking to understand the cultural values and practices related to mental health within an Indigenous community. What approach would best demonstrate respect for the community's autonomy and self-determination?

<p>Establishing a collaborative partnership with the community, involving community members in all stages of the research process from design to dissemination. (B)</p> Signup and view all the answers

Researchers are conducting an experiment to examine the effect of sleep deprivation on cognitive performance. Participants are randomly assigned to either a sleep-deprived group (less than 4 hours of sleep) or a control group (8 hours of sleep). What type of experimental design does this exemplify?

<p>A between-groups experiment. (C)</p> Signup and view all the answers

A research team is planning a study to assess the effectiveness of a new intervention for reducing symptoms of post-traumatic stress disorder (PTSD) in veterans. Which of the following considerations is most important for ensuring justice in participant selection?

<p>Ensuring that all eligible veterans have equal opportunity to participate, and that no particular subgroup is unfairly burdened or excluded from the potential benefits of the research. (B)</p> Signup and view all the answers

In a qualitative study exploring the experiences of individuals undergoing treatment for opioid addiction, the researcher engages in reflexivity. What does this entail?

<p>Continually reflecting on and critically examining their own biases, values, and interests, and considering how these factors could potentially influence the research process and outcomes. (D)</p> Signup and view all the answers

A research project seeks to understand the experiences of refugees as they resettle in a new country; a community that frequently presents cultural and linguistic barriers. What is the most appropriate initial step for the researchers?

<p>Assembling a culturally competent research team that understands the language spoken by the participants. (B)</p> Signup and view all the answers

A researcher is conducting a study to compare the effectiveness of two different types of therapy on reducing anxiety symptoms in adults. Participants are assigned to either Therapy A or Therapy B, and their anxiety levels are measured before and after the intervention. What additional element could be incorporated to create a mixed experimental design?

<p>Conducting in-depth interviews with a subset of participants to explore their experiences with the therapy and gain a deeper understanding of the factors that contributed to its effectiveness. (C)</p> Signup and view all the answers

A researcher is investigating the impact of a new after-school program on improving academic achievement among elementary school students. Students are divided into groups based on whether they choose to participate in the program or not. Academic achievement is measured at the beginning and end of the school year. What type of research is most appropriate in this scenario?

<p>Quasi-experimental research. (D)</p> Signup and view all the answers

In a study examining the effectiveness of a new drug for treating depression, researchers include a no-treatment control condition. What purpose does this condition serve?

<p>To control for expectancy effects and assess whether improvements are due to the active drug or placebo effects alone. (D)</p> Signup and view all the answers

Which of the following best describes cultural continuity within the context of research involving Aboriginal and Torres Strait Islander peoples?

<p>Emphasizing historical and cultural relationships to shape current and prospective collective identity. (B)</p> Signup and view all the answers

What action exemplifies the principle of 'reciprocity' in research with Aboriginal and Torres Strait Islander communities?

<p>Researchers acknowledging Aboriginal and Torres Strait Islander communities’ contributions and establishing mutual relationships built on trust and shared benefits. (B)</p> Signup and view all the answers

In a study requiring the analysis and interpretation of visual artifacts, which aspect of qualitative analysis is most critical?

<p>The reflexivity involves the researcher continually reflecting on and critically examining their own biases, values, and interests, and considering how these factors could potentially influence the research process and outcomes. (A)</p> Signup and view all the answers

A study aims to compare the academic performance of students who use a new online learning platform with those who continue with traditional classroom instruction. The researcher matches students based on their prior academic performance, but students choose which method to adapt. Which research design would be most appropriate?

<p>Quasi-Experimental Research. (D)</p> Signup and view all the answers

A researcher is planning a systematic literature review (SLR) on the effectiveness of cognitive behavioral therapy (CBT) for treating anxiety disorders. What is the first critical step to conduct?

<p>Developing a detailed, pre-registered protocol outlining the search strategy, inclusion/exclusion criteria, and methods for data extraction and synthesis. (D)</p> Signup and view all the answers

What aspect of study design focuses primarily on reducing the impact of experimenter-expectancy effects?

<p>Use of a double-blind procedure. (A)</p> Signup and view all the answers

A researcher is conducting a single-variable study. What could the research involve?

<p>Focusing on studying one variable at a time. (B)</p> Signup and view all the answers

What is the primary aim of a study employing a grounded theory approach?

<p>To develop a new theory based on gathering evidence. (D)</p> Signup and view all the answers

A researcher uses a Likert scale to measure study participants attitudes towards social media, with responses ranging from 'Strongly Disagree' to 'Strongly Agree.' This study would be best described as which type of research approach?

<p>Quantitative. (D)</p> Signup and view all the answers

A researcher wants to determine if there is a causal link between regular exercise and reduced anxiety levels. Which research design would be most appropriate?

<p>Experimental study. (B)</p> Signup and view all the answers

A researcher conducted a survey asking participants to retrospectively report on their childhood experiences and their current levels of life satisfaction. Which key limitation does this study design face?

<p>It cannot guarantee temporal precedence. (C)</p> Signup and view all the answers

What element should all Institutional Ethics Reviews ensure?

<p>That research is conducted in a way that respects the rights of the participants. (B)</p> Signup and view all the answers

A study intends to explore different coping mechanisms employed by individuals facing long-term unemployment. The data gathering involves in-depth interviews, focusing on personal narratives and experiences. Which research method is most suitable for this study?

<p>Narrative Inquiry. (B)</p> Signup and view all the answers

When should researchers be concerned about research ethics?

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

A researcher tests whether holding a heavy clipboard influences judgements of seriousness when evaluating a hypothetical job applicant's resume. Participants were randomly assigned to one of the groups, and the researcher was unaware of the groups during collection. What type of experiment is this?

<p>Simple two-group experiment. (D)</p> Signup and view all the answers

In a between-groups experiment investigating the impact of different teaching methods on student performance, the use of random assignment aims to address which threat to internal validity?

<p>Participant characteristics. (A)</p> Signup and view all the answers

A researcher hypothesizes that increased social media use leads to decreased self-esteem in young adults. After collecting data on both variables, they find a significant negative correlation. What is the most appropriate interpretation of this finding?

<p>There is a correlation between social media and self-esteem. (B)</p> Signup and view all the answers

N the context of research, what does justice primarily refer to?

<p>Fair treatment in the recruitment of participants and fair distribution of the risks and benefits of the research. (A)</p> Signup and view all the answers

In a research study among refugee participants, how do linguistic adaptations such as translating research to their native tongue serve ethical considerations?

<p>By protecting rights to informed consent. (A)</p> Signup and view all the answers

A team of researchers is planning a meta-analysis on interventions for autism spectrum disorder (ASD). What should they do to avoid bias?

<p>They should pre-register their protocol. (B)</p> Signup and view all the answers

Flashcards

Research Question

A broad question a researcher aims to investigate.

Hypotheses

Specific, testable predictions derived from the research question.

Exploratory Approach

An approach to broadly explore a research question.

Institutional ethics review

A review process ensuring research adheres to ethical standards.

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Merit and Integrity

Quality of the study and intentions/conduct of researchers.

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Justice

Fair treatment, fair distribution of research risks and benefits.

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Beneficence

Minimizing harm and balancing risks against potential benefits.

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Respect

Recognition of the intrinsic value of human beings.

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Vulnerable Populations

Groups with diminished ability safeguard interests in research.

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CALD Populations

Populations whose culture and/or language differ from the dominant group.

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Culturally Competent Team

Having a team that can address language and cultural differences.

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Taxonomy & Language Considerations

Use taxonomy and language that participants identify with.

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Sample Population Assumptions

Assume presence of gender/sexually diverse people in any sample.

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Multiple Epistemologies

Acknowledge ways of knowing differ from heterosexual perspectives.

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Experimental Research

Measuring the effect of one factor on another.

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Independent Variable

Variable that is manipulated in experimental research.

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Dependent Variable

Variable that is influenced in experimental research.

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Experimental Control

Minimizing effects of extraneous variables on dependent variable(s).

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Between-Groups Design

Dividing participants into separate groups for different conditions.

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Simple Two-Group Experiments

Experimental group exposed to manipulation; control group isn't.

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Factorial experiments

Tests the effect of >1 IV and how they interact to influence DV.

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Repeated Measures Design

Measuring a single group at multiple time points.

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More Than Two Time Points

Exposure to multiple independent variable levels.

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Mixed Experimental Designs

Combines between-groups and repeated-measures designs.

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Random assignment

Equal chance of being assigned to each group.

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Using Inclusion Criteria

Limiting the sample based on certain characteristics.

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Single-Blind Procedures

Unaware of group, condition or the study hypotheses.

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Double-Blind Procedures

Both participants & researchers unaware of group + hypotheses.

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Carryover effects

Changes due to time rather than experimental manipulations occur.

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Counterbalancing

Participants divided into groups; each completes study in order..

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Non-experimental quantitative research

Studies that do not manipulate an independent variable.

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Single-Variable Research

Study a single variable for average levels or prevalence.

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Correlational Research

Measure relationship between variables. (co-occur)

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Longitudinal Research

Repeated measurements from a single group of participants.

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Quasi-Experimental Research

Comparing groups that are not randomly allocated.

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Narrative Inquiry

Explore & interpret individual-narratives to describe their experiences.

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Reflexivity

Researcher continuously reflects on personal biases & values.

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Phenomenology

Aim is to understand & describe meaning of individuals experience

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Grounded Theory

inductive to approach to develop new theory.

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Case Study

Holistic, in-depth description of a case or small # of cases.

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Study Notes

  • Scientific research aims to broaden knowledge through the systematic study of phenomena.
  • This begins with formulating a research question to guide the investigation

Ethical Considerations in Research

  • Research ethics should inform all aspects of the study, from its inception to data storage and reporting
  • Institutional ethics review is required for research involving living organisms, tissue, or personal data in Australia
  • Institutional ethics review ensures adherence to ethical standards, participant well-being, and scientific integrity

Key Ethical Values and Principles

  • Include respect, beneficence, merit and integrity, and justice
  • Merit and integrity relates to the quality of the study
  • Integrity relates to the intentions and conduct of the researchers
  • Justice refers to fair treatment and includes distributive and procedural justice

Beneficence

  • Involves minimizing harm and balancing risks against potential benefits.
  • It involves transparency about the level of harm
  • Respect involves recognizing the intrinsic value of human beings and protecting autonomy, privacy, and confidentiality

Additional Ethical Considerations for Vulnerable Populations

  • Vulnerable populations have diminished ability to safeguard their own interests or experience disadvantage
  • Researchers working with vulnerable populations need to have an understanding of the sociocultural contexts and be aware of their own assumptions
  • Research should directly benefit the studied group, and the group should define risks and benefits

Guidelines for Aboriginal and Torres Strait Islander Communities

  • Guidelines recognize historical exploitation and mistrust
  • The need to improve researcher practices, strengthen research capabilities, and enhance the rights of Indigenous people
  • Six core values: spirit and integrity, cultural continuity, equity, respect, reciprocity, and responsibility

Ethical Research with CALD Populations

  • It should be culturally informed, high quality, safe, and actionable
  • Assemble a culturally competent team.
  • Address community needs and inequities.

Ethical Research with LGBTQIA+ Populations

  • Respect the dignity of all research participants
  • Engage with the taxonomy and language of participants
  • Examine assumptions about who is and isn't in the sample population
  • Recognize intersectionality and its impact

Selecting a Research Design

  • The nature of the research dictates the design type
  • Exploratory questions suit qualitative research
  • Questions about cause and effect require experimental designs

Quantitative Research: Experimental Designs

  • It involves data represented numerically and analyzed statistically
  • It tests cause-effect relationships by manipulating variables
  • Experimental manipulation involves varying conditions
  • Experimental control minimizes extraneous variables

Between-Groups Experimental Designs

  • It divides participants into separate groups with different conditions

Simple Two-Group Experiments

  • One experimental group and one control group

Experiments with three of more groups

  • Done to help rule out alternative explanations for an effect.

Factorial Experiments

  • Tests the effect of more than one independent variable at a time.

Repeated Measures (Pre-Post) Experimental Designs

  • Measure a single group of participants at multiple time points.
  • An example design variation: Simple two condition design

A-B-A Designs

  • The sequence is baseline (A), manipulation (B), and return to baseline (A)

Mixed Experimental Designs

  • Elements from both between-groups and repeated measures experimental designs
  • Combines multiple groups with multiple measurements to reduce confounding effects

Strategies for Controlling Extraneous Variables

  • Random assignment to groups, inclusion criteria, and repeated measures designs

Expectancy Effects

  • Placebo effects involve behavior changes due to expectations
  • Experimenter-expectancy effects involve unintentional influence by the researcher

Strategies for controlling expectancy effects

  • Single-blind or double-blind procedures, and no-treatment control conditions help

Carryover Effects

  • Practice, fatigue, and context/priming effects can occur in repeated measures designs
  • Counterbalancing is used to address carryover effects for more accurate results

When to Use an Experimental Design

  • Use when focused on a cause-effect relationship
  • When the independent variables can be controlled
  • Random assignment of participants possible

Non-Experimental Quantitative Research

  • It does not involve manipulation of variables
  • Used to measure the extent of a phenomenon or relationships between variables

Defining characteristics of non-experimental research

  • No active manipulation by the researcher

Types of Non-Experimental Research

  • Include single variable research and cross-sectional correlational research

Longitudinal Cohort Research

  • Repeated measurements from participants without manipulation

Quasi-Experimental Research

  • Compares non-randomly allocated groups
  • Case-control studies are common

Issues That Prevent Claims of Causality

  • Lack of experimental manipulation and inability to establish time-based precedence

When to Use Non-Experimental Research

  • When you’re measuring a single variable or non-causal relationships
  • When a cause-effect relationship exists, but variable manipulation isn’t possible
  • When the study is exploratory

Qualitative and Mixed Methods Research

  • Qualitative: Data is not easily reduced to numbers

Purpose of Qualitative Research

  • To deeply understand human experiences and behaviors

Key Characteristics of Qualitative Research

  • Data can include quotes, diary submissions, digital data, or objects/artifacts
  • Common data collection methods include: interviews and focus groups

Analyzing Data using Qualitative Research

  • The type of data collected includes quotes from participants, field notes, digital data such as social media comments and email communications or artifacts
  • A common component: reflexivity

Common Approaches to Qualitative Research

  • Designs are narrative inquiry, phenomenology, grounded theory, and case study

Mixed-Methods Research

  • Combines elements of both quantitative and qualitative research
  • Benefits include: enriching study results and triangulation

Systematic Approaches to Summarizing Past Research

  • It is a critical analysis and synthesis of past research

Systematic Literature Reviews (SLRs)

  • Identify what is currently known related to to the area of study
  • They use rigorous, systematic approaches to planning, searching, evaluation, and finding sources.

Key Characteristics of an SLR

  • All procedures are systematic, planned beforehand, and fully reported

Systematic Search Procedures for SLR

  • Develop clearly defined search strategies and use different databases
  • Researchers report the results of their search, including how many articles were initially identified

Screening Studies Against Eligibility Criteria in SLR

  • Researchers systematically review results against eligibility criteria
  • Use pre-defined inclusion/exclusion criteria to specify the population of interest

Evaluation of Study Quality for SLR

  • Access whether the design was appropriate

Reporting Procedures for SLR

  • Reported following precise guidelines

Meta-Analyses

  • Extend SLRs through quantitative synthesis of past research

When to Use An SLR

  • Assess what is known or unknown about a phenomenon

When to Use a Meta-Analysis

  • Calculate the average magnitude of an effect

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