Access to onsite field drug tests can be a valuable tool for U.S law enforcement officers in identifying possible illegal drug substances when conducting traffic stops and investigating suspicious activity. The use of the field drug tests can assist in determining drugs and can provide probable cause arrest for drugs offenses and other crimes. However‚ in The York Times article by Ryan Gabrielson and Topher Sanders; How a $2 Roadside Drug Test Sends Innocent People to Jail‚ and other related articles
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Discuss issues surrounding the reliability and validity of classification and diagnosis for Schizophrenia. Schizophrenia is a psychological disorder which is sometimes referred to as split minds. Sufferers can be known to show symptoms of delusions‚ hallucinations as well as catatonic behaviour. If we are looking at the validity of something it means we are measuring what we are claiming to measure‚ and if we are looking at the reliability of something it means if we repeat the process over
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52 SJWEH Suppl 2008‚ no 6 Validity and reliability of the job content questionnaire in formal and informal jobs in Brazil by Tânia Maria de Araújo‚ PhD‚1 Robert Karasek‚ PhD 2 de Araújo TM‚ Karasek R. Validity and reliability of the job content questionnaire in formal and informal jobs in Brazil. SJWEH Suppl. 2008;(6):52–59. Objectives This study evaluated the job content questionnaire (JCQ) in measuring work psychology aspects with respect to formal and informal jobs in Brazilian occupational
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Psychological concepts in A Clockwork Orange At the start of A Clockwork Orange‚ you are introduced to Alex and his droogs. They are at a milkbar drinking milk-plus. Milk‚ plus types of drugs that enhance Alex and his droogs ultraviolence‚ which is the main backdrop to the story that leads to other psychological events. Drug addiction is a complex disorder that is compulsive and often uncontrollable. This is a chronic relapsing disorder‚ and treatment for drug addiction is about as effective as treatments
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Validity Validity addresses whether the assessment measures what it is supposed to measure (Gormley‚ 2011; Van der Vleuten‚ 1996). For both the OSCE stations that I have designed‚ I have created a complimentary mark scheme. As discussed previously‚ I opted to produce a global rating scale for the history-taking station and a checklist for the procedural skill station (appendix 1 and 2). Weighting of items can improve validity of a checklist‚ which can affect which trainees pass or fail (Sandilands
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Validity Define Construct Validity and Explain and Illustrate three ways in which a researcher can determine whether a new psychological tests has construct validity. In addition briefly explain what is meant if a test is biased in terms of construct validity. Construct Validity • • • • • • • • • Construct Validity: extent to which a measure measures theoretical construct or trait Developmental changes: ▪ when tests should show change with age ▪ age differentiation
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Psychological Testing: Establishing Diversity Manrise Moore Townsend State University Individual Appraisal 647101 Dr. Justin Massey December 3‚ 2013 Psychological Testing: Establishing Diversity Psychological testing is the backbone of how psychologists are able to gain a higher level of understanding regarding human beings and how/why they act as they do. Good psychological exams can help tremendously in the task of problem-solving and in getting a better snapshot of a person’s
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Introduction to Psychological Testing Korie Pacondo‚ PSY 475 August 18‚ 2014 Dr. Amy Logsdon This paper will denote what a test is and how it is utilized as well as if they are valid or reliable as well as explain their achievements to psychology to begin a test is a process that yields information about a sample of behavior or cognitive process in a quantified manner. While many have many different meanings of a test according to (Hogan‚ 2007). “While there
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Exploring Reliability and Validity Researchers have constructed instruments in attempt to empirically measure values and culture belief systems of people and societies. In order for one to measure what some may consider subjective meanings; concrete definitions were given to the types of values that were examined in the “Values and Motives Questionnaire” (Values and Motives Questionnaire‚ n.d.‚ p.1). The values examined were categorized as interpersonal‚ extrinsic‚ and intrinsic values (Values and
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Exam-type questions on Thrust Bearing design 1. You have been asked to design a minimum power-loss‚ uni-directional‚ thrust bearing for an horizontally-mounted‚ axial‚ ammonia compressor in a nitric acid plant. The compressor has a shaft diameter of 100 mm and generates a thrust of 15kN when operating at 6‚000 rpm. The thrust is negligible at zero speed. a. What type of thrust bearing would you recommend and why? b. What are the physical reasons why a dry‚ PTFE bearing would
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