ࡱ> [ bjbj .ΐΐ] K K K K K _ _ _ 8 #!|_ /p!!!!!z"z"z"$Ar,K z"z"z"z"z",K K !!Z'Z'Z'z"K !K !Z'z"Z'Z' ʝf!ws_ X$6fb0/ȡ%ff K jz"z"Z'z"z"z"z"z",,Z'z"z"z"/z"z"z"z"z"z"z"z"z"z"z"z"z" : Qualitative methods Distinguish between qualitative and quantitative data Qualitative data is contextual, textual, and narrative. It is difficult to express in numerical terms. This type of data is also rich in detail and description. Quantitative data is data that is numerical and is used for descriptive statistics. All qualitative data can be expressed in numerical terms and all quantitative data is based on qualitative judgments. Examples of quantitative research methods: Experiments and correlation studies. Examples of qualitative research methods: observations, case studies, content analysis, and interviews. Explain strengths and limitations of a qualitative approach to research Strengths Data based on the participants own categories of meaning Useful for studying a limited number of cases in depth Useful for describing complex phenomena Provides individual case information Can conduct cross-case comparisons and analysis Provides understanding and description of people s personal experiences of phenomena (i.e., the emic or insider s viewpoint) Can describe in rich detail phenomena as they are situated and embedded in local contexts The researcher almost always identies contextual and setting factors as they relate to the phenomenon of interest The researcher can study dynamic processes (i.e., documenting sequential patterns and change) The researcher can use the primarily qualitative method of grounded theory to inductivelygenerate a tentative but explanatory theory about a phenomenon Can determine how participants interpret constructs (e.g., self-esteem, IQ) Data are usually collected in naturalistic settings in qualitative research Qualitative approaches are especially responsive to local situations, conditions, and stakeholders needs Qualitative researchers are especially responsive to changes that occur during the conduct of a study (especially during extended eldwork) and may shift the focus of their studies as a result Qualitative data in the words and categories of participants lend themselves to exploring how and why phenomena occur You can use an important case to vividly demonstrate a phenomenon to the readers of a report Determine idiographic causation (i.e., determination of causes of a particular event) Weaknesses Knowledge produced might not generalize to other people or other settings (i.e., ndings might be unique to the relatively few people included in the research study). It is difcult to make quantitative predictions. It is more difcult to test hypotheses and theories with large participant pools. It might have lower credibility with some administrators and commissioners of programs. It generally takes more time to collect the data when compared to quantitative research. Data analysis is often time consuming. The results are more easily inuenced by the researcher s personal biases and idosyncracies To what extent can findings be generalized from qualitative studies? " Many qualitative researchers have a constructivist view; All phenomena are time and context specific (is therefore not generalisable to other times and contexts) Qualitative research is often for a specific context or case (does not aim to generalize idiographic approach, e.g. intrinsic case studies), therefore findings must be generalized with caution Generalisation might be possible to a certain extent, if generalized to similar contexts Larger, representative samples may improve generalisability If longitudinal studies are carried out, general trends may be seen The general might always be present in the individual, i.e. there may be universal similarities for particular behaviour (nomothetic approach e.g. instrumental case studies) Theoretical generalisation research findings can be generalized to theory. Theory can be developed further as a result of the study's findings Discuss ethical considerations in qualitative research Informed Consent: Participants are formally asked to indicate their agreement to participate. Participants should be informed about the purpose of the research and their rights. Presumptive consent can also be given Deception: When the participants are deceived of the true aims of the study. Sometimes necessary in observations because participants might alter behavior. Deception prevents informed consent The Right to Withdraw: Participants should have the right to withdraw at any time during the study. Confidentiality: Anonymity should be kept and real names should not be used/False names and numbers should be used instead Privacy: Researchers should not observe anyone without their informed consent even in public places Discuss sampling techniques appropriate to qualitative research Purposive sampling: A non random selection of participants on purpose. The variables to which the sample is drawn up are linked to the research question. Snowball sampling: A type of purpose sampling where existing participants recruit future subjects from among their acquaintances. Thus the sample group appears to grow like a rolling snowball. Strengths Snowball sampling is often used in hidden populations which are difficult for researchers to access; for example drug users or criminals Increases credibility of research, as participants are involved in the research process Cost efficient If sample is representative of target population, then it is generalisable Weaknesses Subject for possible biases, e.g. participants with many friends are more likely to be selected, researcher bias as it involves deliberate choices Difficulty of obtaining anonymity between participants (ethical issue) If the sample is not representative of target population, then it is not generalisable Explain effects of participant expectations and researcher bias in qualitative research Participant expectations: If the participant knows or guesses the aim of the research, the participant may alter their behavior to please the researcher or act opposite what the researcher want. Researcher bias: In a qualitative research such as observations, or interviews, researchers may misinterpret behavior, data or responses which may cause researcher bias. Explain the importance of credibility in qualitative research. Credibility: A measure of the believability of the research, after taking context and potential sources of bias into consideration. Similar to validity. There are five factors that determine or have a positive effect on credibility. These are: Transferability: The extent to which the research context is similar to another specific situation. This can only be determined if there is sufficient information about the research context and the other situation that the research is applied on. Similar to generalizability. Dependability: A measure of the reliability of the research. Can be measured by taking all possible biases into account. Confirmability: A measure of the extent research can be confirmed by similar research. It requires that the researchers give detailed information about their procedure. Similar to replicability. Use of reflexivity Use of triangulation  Explain the effect of triangulation on the credibility/trustworthiness of qualitative research Triangulation: An approach to research that uses a combination of more than one research strategy in a single investigation in order to increase credibility. Method triangulation: Comparing data that come from the use of different methods. This could involve qualitative and quantitative methods Data triangulation: Comparing data that come from data gathered by other participants or other sources, for example collected by different qualitative methods (e.g. observations and interviews). Researcher triangulation: Involves the use of several observers, interviewers or researchers to compare and check data collection and interpretation. Theory triangulation: Involves looking at the data using different theoretical perspectives. Multiple triangulation involves a combination of these four basic types. Strengths - Increase confidence that research represent meaning presented by participant. - Increases dependability reduce flaws of different methods. - Increase transferability-ability to apply results from 1 research to another similar context. - Increases confirmability more than one researcher capable of being tested. - Credibility increase as participants asked for opinions. - New way of looking at same data increase credibility confirms conclusion. Weaknesses - Disagreeing findings between methods - Comparison between different method is difficult - Hammersley (1992) claims that it is not possible to know with certainty that an account is true, because there is no independent and completely credible way to find the truth. The only way to get closer to the truth is to carefully examine all evidence and see whether it supports the interpretation. - Some qualitative researchers claimthat it isnt possible to create a criteria for trustworthiness and credibility, because qualitative research is based on subjective interpretations of the world. Explain reflexivity in qualitative research Reflexivity: An evaluation or documentation of the researcher on the impact on the collection and analysis of data from beliefs, attitudes, values and reactions to the object of the study. Reflexivity is believed to increase credibility. Personal reflexivity: To reflect on how researchers bias, values, beliefs and experiences may have influenced the research. Epistemological reflexivity: Thinking about the ways knowledge was generated (research methods that was used) Interviews Evaluate semi-structured, focus group and narrative interviews Semi-Structured Interview -->Interview with pre-set list of topics but in which natural conversation is attempted. Evaluation Advantages More flexibility in the interview but still has the advantages of a structured interview Allows more interaction. Enables the interviewee to bring to light and consider their own feelings and concerns. Allows exploration & identification of themes, allows supplementary questions. Allows gathering of idiographic data in response to individual responses of the interviewee. Evaluation: Disadvantages Still places limits on what is asked and expected of the researchers. Not fully conversational and therefore might only be appropriate in market research rather then trying to glean information about a personal or traumatic event. Time consuming Reliability difficulties Difficult to generalise Researcher and subject bias (social desirability bias) Focus Group A focus group is a form of qualitative research in which a group of people are asked about their attitude towards a product, concept, advertisement, idea, or packaging. Questions are asked in an interactive group setting where participants are free to talk with other group members. Evaluation: Strengths Efficient way of generating substantial amounts of data. Participants are able to articulate their thinking through conversation with others, ideas are generated through group which further increases depth. Participants tend to enjoy the experience. The method is relatively inexpensive and flexible. Relatively easy to use and can be done quickly. Social interaction in the group provides more free and complex answers. Evaluation: Weaknesses Not easy to conduct well. The number of questions covered is limited. Confidentiality can be a problem between participants when interacting in a group situation. Participants may not be willing to divulge accurate or personal information in a group setting. Requires a skilled moderator and difficult to assemble group Some participants may contribute more than others Narrative Interview: An unstructured, in-depth interview that uses storytelling and listening with no pre-structured questions. Is used to obtain the stories people employ to interpret their lives and the world around them. It is the way that people organize and make connections between events that are of interest to the narrative interviewer. The story telling follows a self generating schema (e.g. Bartlett 1932) with themes, story structure (beginning/middle/end) and use of spontaneous language. When narrative comes to an end there is a questioning phase. The interviewer uses active listening techniques (positive body language). The interviewer does not ask why questions, instead what happened before/after/then. The interviewer uses the words of the interviewee. The interviewer does not point to contradictions in a narrative Strengths Permits full exploration of ideas and beliefs, is a more valid account of social life (high ecological validity/transferability) May give valuable information about the persons personal experiences Flexible: Allows interviewer to pursue interesting points Participants can be interviewed and information gleaned without participants actually knowing they are involved in a study. This also has ethical implications. Participant feels relaxed (ethical) which allows them to speak freely without responding to a specific set of questions. The conversational interview is highly individualized and relevant to the individual. Weaknesses Not standardized. Potential problems of dependability and confirmability Respondent is too much in control. Participant can take control of the interview if the researcher does not have proper training or experience. Requires an interviewer knowledgeable and experienced in the content area and strong in interpersonal skills (active listening and asking the right questions) Since different information is collected from different people, this kind of interview is not systematic or comprehensive, and it can be very difficult and time-consuming to analyse the data Discuss considerations before, after and during an interview (for example, sampling method, data recording, traditional versus postmodern transcription, debriefing) Considerations before an interview Aim of interview Sampling technique: E.g. purposive or snowball Choice of interview method (e.g. narrative, semi structured, focus group) Make up questions for the interview a) Descriptive question ask participant for a general account of a certain subject. E.g. what happened? b) Structural question ask participant to identify structure or meaning that is used to make sense of the world. E.g. what does it means to your life to suffer from AIDS c) Contrast question ask participant for comparison between two events or experiences. E.g. did you prefer being in that school or the other one? d) Evaluative question ask participant for their feeling about someone or something. E.g. (Did you feel afraid when you had the HIV test?) 5. Use of back translation: When the interview questions are translated into another language (if for instance, you are interviewing people from another country) and then translated back to the original language to check that nothing is lost in translation 6. How to record the interview (notes, audio, video?) 7. Ethical considerations: Consent, inform the aim of interview. Make sure to avoid embarrassing questions Check that recording equipment works, find a suitable place for the interview Considerations during an interview Researchers should try to establish rapport, a trusting and open relationship, with the participant by using techniques such as eye contact and affirmative body language. They may also use the active listening technique where interviewees answer is incorporated into later questions Considerations after an interview 1. Transcription techniques; traditional or postmodern transcription Transcription process of changing interview into written text that can be used for analysis Traditional Transcription (verbatim) A type of transcription that records the interview word by word Postmodern transcription A type of transcription that also record other element in the interview other that the conversation. (pauses, interruption, intonation, volume of speech, incomplete sentences, false starts, and laughter) 2. Analysis of transcript. E.g. inductive content analysis 3. Reflexivity: The credibility of the interviewees answers should be taken into consideration 4. Ethical Considerations: Use of pseudonyms/false names to increase confidentiality, thank the participants, let them listen to the audio recording and/or read transcript - they should have the right to make amendments/deletions in the transcript Explain how researchers use inductive content analysis (thematic analysis) on interview transcripts Inductive content Analysis Analysis of written material Theory is induced from data May use more than one researcher to increase dependability The researcher read the information several times to identify the raw data The researcher bring together examples of the same ideas and categorize them in order to find the themes The researcher write an interpretation of the interview transcript based on the analysis Strengths Generates useful and meaningful data Increase understanding of phenomena. Weaknesses Problems of dependability and confirmability. Different researchers may arrive at different themes The researchers interpretations may be biased or subjective (researcher expectancy). Observations Evaluate participant, non-participant, naturalistic, covert and overt observations Participant observation: Observer joining the group Strengths: More ethical, data may be more emic if participant observation (closer to the meaning of the observed - increases credibility) Weaknesses: Replication is often not possible though findings can be confirmed by other research. Usually has issues with dependability; poor control of factors that may distort results, Often not possible to transfer results to other people or settings, Cannot infer what causes a behavior, Researcher expectancy: Researcher may make biased interpretations due to expectancies, Hawthorne effect. Participants may act differently simply by being observed Non-participant observation: Observer not joining the group Strengths: May investigate phenomena that are not possible to investigate in other ways, data may be more etic if non-participant observation (allows for comparison with other observations) Weaknesses: Replication is often not possible, Usually has low reliability; poor control of factors that may distort results, Often not possible to generalize results to other people or settings, Ethical aspects: Personal information of an individual may be obtained, participants may be deceived, difficulty of debriefing and consent, Cannot infer what causes a behavior, Researcher expectancy: Researcher may make biased interpretations due to expectancies Naturalistic: Observation in natural habitat Strength: High in credibility because behavior is natural, may investigate phenomena that are not possible to investigate in other ways Weakness: Ethical issue (if covert observation), Replication is often not possible but findings may be confirmed by other research, Usually has issues with dependability; poor control of factors that may distort results, Often not possible to transfer results to other people or settings, Cannot infer what causes a behavior, Researcher expectancy: Researcher may make biased interpretations due to expectancies Covert observation: Observed group does not know the presence of the observer Strength: May investigate phenomena that are not possible to investigate in other ways Weakness: Ethical issue, Replication is often not possible, though other studies may confirm findings. Usually has low dependability; poor control of factors that may distort results, Often not possible to transfer results to other people or settings, Ethical aspects: Personal information of an individual may be obtained, participants may be deceived, difficulty of debriefing and consent, Cannot infer what causes a behavior, Researcher expectancy: Researcher may make biased interpretations due to expectancies Overt observation: Observed group knows the presence of the observer Strength: More ethical Weakness: Replication is often not possible, though findings can be confirmed by other studies. Usually has low dependability; poor control of factors that may distort results, Often not possible to transfer results to other people or settings, Cannot infer what causes a behavior, Researcher expectancy: Researcher may make biased interpretations due to expectancies, Hawthorne effect. Participants may act differently simply by being observed Discuss considerations setting up and carrying out an observation (For example, audience effect, Hawthorne effect and disclosure) Considerations before and during observation Aim Plan for observation Familiarize yourself with setting and people Type of observation Type of notes Reflexivity Ethical considerations (e.g.justification of deception, invasion of privacy, informed consent) Considerations after an observation Data analysis of transcript (e.g. content analysis) Reflexivity Ethical considerations: Debriefing? Discuss how researchers analyze data obtained in observational research Use of reflexivity Content analysis (e.g. inductive content analysis) Evaluate the use of case studies in research Discuss how case studies can be used to investigate problems in a group Case Studies Originated in clinical psychology to diagnose and treat patients An in-depth investigation of one single case (person, group, organization etcetera) Often uses triangulation; more than one method, researcher, ORe    ' @ &1hfjkĶĶݟ{oh8_B*^JaJph#h8_h8_5B*\^JaJph#h8_h~V5B*\^JaJphh8_h~VB*^JaJphDDDh8_^JaJh8_h~V5\^JaJh8_h}E5\^JaJh8_h}E^JaJh8_h~VCJ^Jh8_h~V^JaJh8_h~VCJ$^JaJ$&ORJ K    P z T `  & F"gd8_i`igd8_ & Fgd8_gd~V` '$r0\ Om&'4Vd  & Fgd8_gd~V & F"gd8_hj_)fk~?@ ! ^gd~Vgd|gd8_*^*gd~Vgd~V^gd8_'EVXpu}~>?@UVWñÓՇucWh|B*^JaJphDDD#h|h|5B*\^JaJphDDD#h|h~V5B*\^JaJphh|B*^JaJph#h8_h8_5B*\^JaJphDDDh8_B*^JaJphDDD#h8_h8_5B*\^JaJph#h8_h~V5B*\^JaJphh8_h~VB*^JaJphDDDh8_B*^JaJphh8_h~VB*^JaJph" ! 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Types of case studies Intrinsic: Study unique phenomena because they are interesting in their own right. Does not aim to generalize (The cases studied are very rare) Instrumental (Extrinsic): Study more general phenomena of interest. Aims to generalize Descriptive: Generate a detailed description of a phenomena Explanatory: Aims to describe and to find possible explanations for the phenomenon under investigation Strengths Opportunity to investigate phenomena that could not be investigated otherwise (Cannot be experimented, case studies do not originate from experiments, usually from coincidence, real-life cases) Permits insight into social processes in a group Stimulates new research Contradicts established theory and helps to develop new theories If evidence from other studies confirms the findings, it might be possible to generalize to people who are similar to those in the case study (general is always present in the individual) The findings may be applicable to similar settings (transferability) Single case studies may be generalized to theory Participants must be anonymized Weaknesses Researcher bias Memory distortions and effects of social desirability May be time consuming and expensive Participants may have to deal with painful memories and emotions Difficulty of obtaining informed consent from some participants (e.g. Children, mentally ill) Discuss the extent to which research findings can be generali:Ldf@Ħ$!"'(w & F*^*gd~V & F*^*gd~V$a$gd~V & F-gdagd~Vgda & F,gdaF|~#$ܬ "&'(uz羰羰睕h jh UhahC^JaJhtO^JaJhh~V5\^JaJhhtO5\^JaJUh8_h~VCJ^Jh8_h~VZ^J_HaJh8_h~V^JaJh8_h~V6]^JaJ&zed from a single case study Pros The evidence from other studies confirms the finding, it might be possible to generalize to people who are similar to those in the case study The finding may be applicable to similar settings Case studies on rare behavior may be generalized to theory Cons The case may not be generalized to individuals with different characteristics May nothave high transferability     & F*^*gd~Vgd*X ,1h. 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