{"id":129,"date":"2023-06-16T09:44:48","date_gmt":"2023-06-16T09:44:48","guid":{"rendered":"http:\/\/ciealevels.excellingpsychology.com\/?p=129"},"modified":"2023-06-17T09:39:46","modified_gmt":"2023-06-17T09:39:46","slug":"freeman-et-al-2003-_-key-study","status":"publish","type":"post","link":"https:\/\/ciealevels.excellingpsychology.com\/index.php\/2023\/06\/16\/freeman-et-al-2003-_-key-study\/","title":{"rendered":"Freeman et.al. (2003) &#8211; Key Study"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center\">The Study<\/h2>\n\n\n\n<h4 class=\"wp-block-heading\">Aims<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>To investigate whether <strong>nonclinical individuals<\/strong> have <strong>persecutory thoughts<\/strong> in virtual reality;<\/li>\n\n\n\n<li>To investigate <strong>cognitive factors<\/strong> that predict the occurrence of persecutory ideation in virtual reality, with a particular focus on emotional processes.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Method<\/h4>\n\n\n\n<h5 class=\"wp-block-heading\">Sample<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>24<\/strong> individuals; <\/li>\n\n\n\n<li>all <strong>without a history of mental illness<\/strong>; <\/li>\n\n\n\n<li>recruited by <strong>advertising<\/strong>; <\/li>\n\n\n\n<li>all from <strong>University College London<\/strong>;<\/li>\n\n\n\n<li><strong>21<\/strong> were <strong>students<\/strong>; <\/li>\n\n\n\n<li><strong>3<\/strong> were <strong>administrative staff<\/strong>;<\/li>\n\n\n\n<li><strong>12 males <\/strong>and <strong>12 females<\/strong>;<\/li>\n\n\n\n<li><strong>paid volunteers<\/strong><\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Procedure<\/h5>\n\n\n\n<p>Step-by-step outline-<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Consent and Information:\n<ul class=\"wp-block-list\">\n<li><strong>Consent obtained<\/strong> from participants for their participation in the study:<\/li>\n\n\n\n<li>Participants are <strong>not informed<\/strong> that the study specifically <strong>examines persecutory thoughts<\/strong> to prevent priming of reactions.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>VR Equipment Training:\n<ul class=\"wp-block-list\">\n<li>Participants then  received <strong>training on how to use<\/strong> the virtual reality <strong>(VR) equipment<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Entering the Virtual Environment:\n<ul class=\"wp-block-list\">\n<li>Participants were then asked to enter the virtual environment which was a <strong>virtual <\/strong>;<\/li>\n\n\n\n<li><strong>Instruction<\/strong>s given: &#8220;Please <strong>explore the room<\/strong> and try to <strong>form some impression<\/strong> of <strong>what you think about the people<\/strong> in the room <strong>and what they think about you<\/strong>.&#8221;<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Selection of Virtual Scene:\n<ul class=\"wp-block-list\">\n<li>A <strong>neutral library scene<\/strong> was chosen for the study, considering the university population;<\/li>\n\n\n\n<li>The virtual room was designed as a library, but <strong>participants were not informed<\/strong> of this during the study to allow them to form their own impressions.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Avatars in the Library:\n<ul class=\"wp-block-list\">\n<li>There are <strong>5 avatars<\/strong> in the library scene;<\/li>\n\n\n\n<li><strong>3<\/strong> avatars sat at <strong>one desk<\/strong>, while <strong>2<\/strong> avatars sat at another desk on the opposite side of the room.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ambiguous Avatar Behavior:\n<ul class=\"wp-block-list\">\n<li>Occasionally, the avatars showed potentially ambiguous behavior such as <strong>smiling, looking around, and talking<\/strong> to each other.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Duration in the Virtual Room:\n<ul class=\"wp-block-list\">\n<li>Participants spent <strong>5 minutes<\/strong> in the virtual room.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Exiting the Virtual Room:\n<ul class=\"wp-block-list\">\n<li>Participants were instructed to leave the virtual room after the allotted time.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Questionnaire and Interview:\n<ul class=\"wp-block-list\">\n<li>All participants then completed a <strong>questionnaire and a short semi-structured interview <\/strong>regarding their experiences in the virtual environment;<\/li>\n\n\n\n<li>The interviews were <strong>video recorded<\/strong> and later rated by an <strong>expert clinical psychologist <\/strong>on a <strong>6-point scale<\/strong> for <strong>persecutory ideation<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Handling Priming of Persecutory Thoughts:\n<ul class=\"wp-block-list\">\n<li>The study design addressed the possibility of priming persecutory thoughts through the <strong>questionnaires measuring cognitive processes<\/strong> <em>(see measures section below)<\/em>;<\/li>\n\n\n\n<li><strong>Half<\/strong> of the participants <strong>completed the questionnaires after exiting<\/strong> the virtual environment;<\/li>\n\n\n\n<li>The <strong>other half <\/strong>completed the questionnaires both <strong>before and after<\/strong> entering the virtual environment.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Participant Balance and Compensation:\n<ul class=\"wp-block-list\">\n<li><strong>Male and female participants<\/strong> were balanced in each of the two conditions (<strong>pre- and post-virtual environment completion of questionnaires<\/strong>);<\/li>\n\n\n\n<li>Participants were compensated for their participation in the study.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><\/li>\n<\/ol>\n\n\n\n<p><\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Measures <\/h5>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Brief Symptom Inventory (<strong>BSI<\/strong>):<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A <strong>53-item<\/strong> self-report measure to assess <strong>9 symptom<\/strong> dimensions over the <strong>past 7 days<\/strong>;\n<ul class=\"wp-block-list\">\n<li>9 dimensions include Somatization, Obsessive-Compulsive, Interpersonal Sensitivity, Depression, Anxiety, Hostility, Phobic Anxiety, Paranoid Ideation, and Psychoticism;<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Each item is rated on a <strong>5-point distress scale (0\u20134)<\/strong>;<\/li>\n\n\n\n<li>Total score obtained is the Global Severity Index.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p>2. <strong>Paranoia Scale<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A <strong>20-item<\/strong> self-report scale to measure paranoia in college students;<\/li>\n\n\n\n<li>Measures both ideas of <strong>persecution and reference<\/strong>;<\/li>\n\n\n\n<li>Each item is rated on a <strong>5-point scale<\/strong>;<\/li>\n\n\n\n<li><strong>Scores range from 20 to 100<\/strong>, with higher scores indicating greater paranoid ideation.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p>3. <strong>Spielberger State Anxiety Questionnaire<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A <strong>20-item<\/strong> self-report measure of state anxiety;<\/li>\n\n\n\n<li>Each item is rated on a <strong>1\u20134 scale<\/strong>;<\/li>\n\n\n\n<li><strong>Scores range from 20 to 80<\/strong>, with higher scores indicating higher levels of anxiety.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p>4. <strong>VR-Paranoia Questionnaire<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A <strong>15-item<\/strong> self-report questionnaire <strong>specifically devised for the study<\/strong>;<\/li>\n\n\n\n<li>Assesses participants&#8217; views of the avatars in the virtual environment;<\/li>\n\n\n\n<li><strong>3 areas<\/strong> assessed &#8211; \n<ul class=\"wp-block-list\">\n<li><strong>persecutory thoughts about the avatars<\/strong> (VR-Persecution), <\/li>\n\n\n\n<li><strong>ideas of reference<\/strong> about the avatars (VR-Reference), and <\/li>\n\n\n\n<li><strong>positive beliefs<\/strong> about the avatars (VR-Positive)<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Each item is rated on a <strong>4-point scale (0\u20133)<\/strong>;<\/li>\n\n\n\n<li><strong>Scores<\/strong> can range from <strong>0 to 15 for each subscale<\/strong>, with higher scores indicating greater endorsement of items.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p>5. <strong>Sense of Presence Questionnaire<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Assesses the extent to which participants experience a <strong>sense of being in the virtual world<\/strong>;<\/li>\n\n\n\n<li>Consists of <strong>6 questions<\/strong> rated on a scale of <strong>1 to 7<\/strong>;<\/li>\n\n\n\n<li>Higher numbers indicate greater reported presence;<\/li>\n\n\n\n<li>A score of 6 or 7 on a question is coded as 1, while all other scores are coded as 0;<\/li>\n\n\n\n<li><strong>Total score<\/strong> can range between <strong>0 and 6<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Results<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>General:\n<ul class=\"wp-block-list\">\n<li><strong>Mean score<\/strong> on the <strong>Paranoia Scale<\/strong>: <strong>31.8<\/strong>, SD = 10.8, minimum = 20, maximum = 61.<\/li>\n\n\n\n<li><strong>No significant difference<\/strong> in Paranoia Scale scores <strong>between males and females<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Persecutory Ideation in the Virtual Library:\n<ul class=\"wp-block-list\">\n<li><strong>VR-Persecution<\/strong> scores were <strong>positively correlated with VR-Reference<\/strong> scores <strong><em>(r = +0.48) <\/em><\/strong>and <strong>negatively<\/strong> correlated <strong>with VR-Positive<\/strong> scores <strong><em>(-0.54)<\/em><\/strong>;<\/li>\n\n\n\n<li><strong>Persecutory ideation in VR<\/strong> was also <strong>positively correlated <\/strong>with blind <strong>ratings<\/strong> of persecutory ideation from recorded <strong>interviews<\/strong> <strong><em>(r = +0.59)<\/em><\/strong>.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sense of Presence in VR:\n<ul class=\"wp-block-list\">\n<li>Participants reported a <strong>moderate sense of presence<\/strong> in the virtual library;<\/li>\n\n\n\n<li><strong>Anxiety levels did not increase <\/strong>after entering the virtual environment.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>Predictors of Persecutory Ideation in VR:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>VR Persecution<\/strong> did <strong>not<\/strong> significantly <strong>correlated<\/strong> with scores on the <strong>Paranoia Scale<\/strong>;<\/li>\n\n\n\n<li><strong>Higher VR-Persecution<\/strong> scores tended to be associated with <strong>higher BSI-Paranoia scores<\/strong>;<\/li>\n\n\n\n<li><strong>VR Persecution<\/strong> scores correlated with <strong>other BSI dimension scores, Spielberger State Anxiety score, and sense of presence<\/strong> score;<\/li>\n\n\n\n<li><strong>Higher levels of interpersonal sensitivity and anxiety<\/strong> were associated with <strong>higher levels of persecutory ideation <\/strong>in virtual reality.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Conclusions<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nonclinical individuals<\/strong> <strong>have<\/strong> <strong>persecutory thoughts<\/strong> in virtual reality;<\/li>\n\n\n\n<li>The cognitive and emotional processes of <strong>paranoia, reference and anxiety predict the occurrence of persecutory ideation in virtual reality<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\">Methodological Evaluation<\/h2>\n\n\n\n<h4 class=\"wp-block-heading\">Sampling<\/h4>\n\n\n\n<h5 class=\"wp-block-heading\">Sample Characteristics<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Strengths<\/strong>\n<ul class=\"wp-block-list\">\n<li>Study involved non-clinical individuals, broadening understanding of persecutory ideation <strong>beyond diagnosed mental health patients<\/strong>;<\/li>\n\n\n\n<li>Equal gender recruitment ensured representative sample and <strong>minimized gender biases <\/strong>in study findings.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Weaknesses<\/strong>\n<ul class=\"wp-block-list\">\n<li>With <strong>only 24 individuals<\/strong>, findings may lack generalizability. A larger sample ensures stronger results;<\/li>\n\n\n\n<li><strong>Mainly university students and staff<\/strong> were included, limiting generalization to non-university&nbsp; populations.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">Sampling Technique <\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>Paid Volunteer<\/em><\/li>\n\n\n\n<li><strong>Strengths<\/strong>\n<ul class=\"wp-block-list\">\n<li>Participants <strong>easier to recruit<\/strong> as too many people would be <strong>fearful of VR <\/strong>or find the experiment too time consuming and refuse to participate;<\/li>\n\n\n\n<li>Participants <strong>more cooperative for a lengthy study<\/strong> that required many self report questionnaires to be answered sincerely.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Weaknesses<\/strong>\n<ul class=\"wp-block-list\">\n<li>Participant recruitment introduced <strong>bias<\/strong> as those <strong>interested in virtual reality <\/strong>were more likely to participate;<\/li>\n\n\n\n<li>Participants <strong>knew about participating in a virtual environment beforehand<\/strong>, potentially changing their behaviour to watch the avatars too closely<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Operationalization of Variables<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Strengths<\/strong>\n<ul class=\"wp-block-list\">\n<li>The study employs <strong>recognized and validated tools<\/strong> (BSI, Paranoia Scale, etc.) for accurate assessment, increasing validity;<\/li>\n\n\n\n<li><strong>Combining semi-structured interviews and observer ratings<\/strong> added qualitative depth to quantitative measures, increasing scope of findings<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Weaknesses<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>No standard questionnaire for measuring paranoia in virtual reality<\/strong>; researchers created their own, challenging reliability;<\/li>\n\n\n\n<li>Study used <strong>ambiguous avatars<\/strong> in a library scene, potentially influencing participants&#8217; perceptions of persecution, reducing ecological validity<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Examples of Controls<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Non-clinical individuals<\/strong> were recruited to study persecutory ideation in virtual reality without preexisting mental illness;<\/li>\n\n\n\n<li>A <strong>neutral library scene<\/strong> was used to explore persecutory thoughts without explicit hostility;<\/li>\n\n\n\n<li><strong>Questionnaires<\/strong> were completed <strong>before and after<\/strong> the virtual environment to assess potential priming effects;<\/li>\n\n\n\n<li>An <strong>expert clinical psychologist<\/strong> conducted a semi-structured interview and rated participants&#8217; responses for persecutory content.<\/li>\n<\/ol>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Research Method <em>(Correlational Study)<\/em><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Strengths<\/strong>\n<ul class=\"wp-block-list\">\n<li>Study <strong>used multiple measures<\/strong> like surveys, interviews, and observations to understand worry and sadness, increasing validity;<\/li>\n\n\n\n<li>Study looks at how personality and emotions relate to persectory thoughts, offering <strong>new insights for research<\/strong><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Weaknesses<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Only 24 people<\/strong> were part of the study, who were not mentally ill. Results may not apply widely;<\/li>\n\n\n\n<li>Participants <strong>weren&#8217;t randomly assigned<\/strong> for different groups, making it harder to conclude that paranoia causes persecutory ideation.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\">Ethical Evaluation <\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Informed consent: Participants <strong>consented but knowledge of study was unclear<\/strong>;<\/li>\n\n\n\n<li>Right to withdraw: not explicitly mentioned;<\/li>\n\n\n\n<li>Deception: Researchers <strong>hid their focus on persecutory thoughts<\/strong>;<\/li>\n\n\n\n<li>Protection from physical harm: No apparent physical harm mentioned;<\/li>\n\n\n\n<li>Protection from psychological harm: <strong>Potential distress<\/strong> to <strong>people having persecutory ideation<\/strong> in relation to the avatars in the virtual library;<\/li>\n\n\n\n<li>Debriefing: Questionnaire and interview, but debriefing not mentioned;<\/li>\n\n\n\n<li>Privacy: Virtual environment privacy measures not specified;<\/li>\n\n\n\n<li>Confidentiality: Handling of personal data and identity not addressed.<\/li>\n<\/ol>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\">Issues and Debates<\/h2>\n\n\n\n<h4 class=\"wp-block-heading\">Individual and Situational Explanations<\/h4>\n\n\n\n<p><strong>Both <\/strong>explanations supported<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Individual Explanation \n<ul class=\"wp-block-list\">\n<li><strong>Paranoia<\/strong> as explaining persecutory ideation<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Situational Explanation \n<ul class=\"wp-block-list\">\n<li> <strong>VR environment<\/strong> explaining persecutory ideation<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Strengths of Individual Explanation<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Encourages treatment of paranoia <\/strong>to stop persecutory delusions;<\/li>\n\n\n\n<li><strong>Encourages<\/strong> delusional patients to take <strong>responsibility<\/strong> for reducing their paranoid thinking.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Weaknesses<\/strong> <strong>of Individual Explanation<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Use of self-report methods<\/strong> to understand paranoid thinking, subject to social desirability, reducing validity<\/li>\n\n\n\n<li><strong>Separating<\/strong> the influence of individual and situational factors is <strong>difficult<\/strong> &#8211; whether VR environment causes persecutory ideation or paranoia<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Strengths of Situational Explanation<\/strong>\n<ul class=\"wp-block-list\">\n<li>The study used a special computer room with lifelike characters to simulate <strong>real-life situations<\/strong>, increasing <strong>ecological validity<\/strong>;<\/li>\n\n\n\n<li>Psychologists indirectly encouraged to look at behaviours of people around a patient also while diagnosing and treating schizophrenia, increasing <strong>social responsibility<\/strong>&nbsp;<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Weaknesses of Situational Explanation<\/strong>\n<ul class=\"wp-block-list\">\n<li>People <strong>only<\/strong> used the virtual world for <strong>5 minutes<\/strong>, so it may not show long-term effect of situation;<\/li>\n\n\n\n<li>The study <strong>didn&#8217;t compare virtual experiences with real-life situations<\/strong>, which could confirm paranoid thoughts in the real world.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Idiographic versus Nomothetic <\/h4>\n\n\n\n<p><strong>Both <\/strong>approaches explanation supported<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Idiographic Approach \n<ul class=\"wp-block-list\">\n<li>Study included <strong>individual comments <\/strong>(qualitative data) to understand unique experiences and subjective perspectives of participants;<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Nomothetic Approach \n<ul class=\"wp-block-list\">\n<li>Study examined <strong>correlations<\/strong> (quantitative data) <strong>between variables<\/strong> to identify general patterns and trends applicable to a broader population.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Strengths of Idiographic Approach <\/strong>\n<ul class=\"wp-block-list\">\n<li>Provided <strong>rich qualitative data<\/strong> through semi-structured interviews, capturing individual experiences and perceptions;<\/li>\n\n\n\n<li>Allowed for <strong>personalized assessment<\/strong> of persecutory thoughts and beliefs, providing a detailed understanding of participants&#8217; unique perspectives<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Weaknesses of Idiographic Approach<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Subjectivity in scoring and interpreting<\/strong> qualitative data may introduce bias and affect the reliability of the findings;<\/li>\n\n\n\n<li>Limited generalizability due to the <strong>small sample size<\/strong> and specific characteristics of the participants from one university.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Strengths of Nomothetic Approach <\/strong>\n<ul class=\"wp-block-list\">\n<li>Provides <strong>quantitative data<\/strong> for statistical analysis, allowing for <strong>generalization and comparison<\/strong> between participants;<\/li>\n\n\n\n<li>Allows for <strong>identification of correlations<\/strong> between variables, such as persecutory thoughts and emotional distress.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Weaknesses of Nomothetic Approach<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Limited depth of understanding<\/strong> due to reliance on quantitative measures, potentially missing nuanced experiences and perspectives;<\/li>\n\n\n\n<li><strong>Lack of contextual information<\/strong> and individual variability might overlook important factors influencing persecutory thoughts and emotional distress.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Generalizability of Findings <\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Strengths of Generalizability <\/strong>\n<ul class=\"wp-block-list\">\n<li>The use of virtual reality (VR) creates a <strong>realistic environment<\/strong>, increasing the <strong>ecological validity<\/strong> of findings;<\/li>\n\n\n\n<li>The study included an <strong>equal number of male and female participants,<\/strong> allowing for potential gender-related differences to be considered in the generalizability of the findings<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Weaknesses of Generalizability <\/strong>\n<ul class=\"wp-block-list\">\n<li>With <strong>only 24 participants<\/strong>, the findings may not fully represent the broader population, limiting generalizability;<\/li>\n\n\n\n<li>The study took place in a virtual reality setting with avatars, which <strong>may not fully reflect real-life interactions <\/strong>and situations.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p style=\"font-size:4px\">search terms &#8211; a levels psychology; schizophrenia, Freeman et al (2003), virtual reality and schizophrenia, VR, Freeman virtual study, 1.1.2, issues and debates, as and a psychology; psychology and organizations; paper 3; paper 4; igcse psychology; application to everyday life; strengths of application to everyday life; weaknesses of application to everyday life; gcse psychology; cie psychology; cambridge 12 psychology; a2 psychology; new syllabus; 2024-26 syllabus; 2024 9990 syllabus; 9990 curriculum; new 9990 syllabus; 9990 psychology, clinical psychology, clinical psychology key studies, key studies<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In this lesson, I present a description, evaluation and discussion of relevant issues and debates for the A2 clinical psychology key study, &#8220;Freeman (2003) : using virtual reality to investigate persecutory ideation.&#8221;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[7],"tags":[10,14,9,15],"class_list":["post-129","post","type-post","status-publish","format-standard","hentry","category-a2-clinical-psychology","tag-issues-and-debates","tag-key-studies","tag-schizophrenia","tag-study-evaluation"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/ciealevels.excellingpsychology.com\/index.php\/wp-json\/wp\/v2\/posts\/129","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ciealevels.excellingpsychology.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ciealevels.excellingpsychology.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ciealevels.excellingpsychology.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ciealevels.excellingpsychology.com\/index.php\/wp-json\/wp\/v2\/comments?post=129"}],"version-history":[{"count":5,"href":"https:\/\/ciealevels.excellingpsychology.com\/index.php\/wp-json\/wp\/v2\/posts\/129\/revisions"}],"predecessor-version":[{"id":140,"href":"https:\/\/ciealevels.excellingpsychology.com\/index.php\/wp-json\/wp\/v2\/posts\/129\/revisions\/140"}],"wp:attachment":[{"href":"https:\/\/ciealevels.excellingpsychology.com\/index.php\/wp-json\/wp\/v2\/media?parent=129"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ciealevels.excellingpsychology.com\/index.php\/wp-json\/wp\/v2\/categories?post=129"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ciealevels.excellingpsychology.com\/index.php\/wp-json\/wp\/v2\/tags?post=129"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}