External validity

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    External Validity

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    Internal validity addresses causal relationships between factors. Focusing on the test and having strong control over the environment can produce a more detailed understanding of the responses (Moskal & Leydens, 2000). For example, the survey must be given in an environment that does not resemble test taking facilities. The environment should be calm and casual. If the participant is taking a survey on test anxiety and is in a rigid environment they may feel those unnatural conditions and they will affect their responses. Each administration of the test must happen in similar circumstances (Moskal & Leydens, 2000). External validity is the ability to have the results generalized to larger populations. In this case, the internal validity and construct of other portions of the test will allow for larger generalizations to be made. For example, one can state that based on our results, if a person experiences lack of knowledge in a subject he/she will have a larger probability of test anxiety. Another generalization that can be made based on the test validity is that if a correlation exists between study time and test anxiety. There are large amounts of information that can be gleaned from a test once the validity standards are…

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    Threads to validity are specific reasons why a person can be partly or completely wrong when making an inference. There are several threads to validity that will raise questions about an experimenter’s ability to conclude that the intervention affects an outcome and not some other factor. Internal validity regards to the internal logic and consistency of the research. If research is seen as an argument then internal validity is about the logic and consistency of this argument. It is most…

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    A Popular Media Report

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    mature for the age group that is playing so you risk exposing your child to certain actions or language that is more advanced than there age range (Przybylski, 2014). This popular media report mainly discussed the positives effects of video games and didn’t really mention many of the negatives associated with video games. The fact that the popular report did not put more emphasis on the negative side effects makes me question the reliability of the information I am being given. Reliability also…

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    Internal validity is defined as: “the approximate truth about inferences regarding cause-effect or causal relationships. Thus internal validity is only relevant in studies that try to establish a causal relationship” (“Internal Validity,” n.d.). Specific steps that a researcher should take to ensure internal validity in a mixed-method study are: 1. Ensure a cause and effect relationship is seen, and 2. Consider threats to internal validity, which are: • single group threats • multiple group…

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    These are set issues that are always at heart of external validity, and that will set the tone for trustworthy results that can play a key role when sharing certain thoughts or opinions. Validity can be divided into two; external and internal validity. Internal validity refers to the consistency of variables at an internal level that whether the results represent the claims provided while external validity refers to evaluating a sample that is far away or not associated with sample study. Both…

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    1. Name and describe at least 5 threats to validity (ea. threat accurately described is worth 2 points up to a possible 16 points). History threat- This occurs when the study outcome is affected by some historical event. If a specific event or chain of events does transpire during the time when a treatment is administered and it affects the observations it is a threat to the internal validity. Often times there is no way of determining if the historical event(s) or the treatment accounts for…

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    were depressed and the method of sampling was not applicable. It suggests that the participants were already willing to change. 2. Internal validity is the estimated fact about implications regarding cause-effect. It is only pertinent in studies that try to establish a causal relationship (KnowledgeBase, 2006). External validity is the degree to which the results of a study can be generalized to other situations and people. Validity is important because it observes research findings. If…

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    Those event included education level, marital status, employment status (full-time, part-time, seasonal or temporary), history of suicide attempt, past psychiatric hospitalization., history of physical or sexual trauma, current medical problems, history of hallucinations, paranoid ideation, drug abuse, alcohol abuse, and arrests (Jenelle Slavin-Mulford, External Validity of the Personality Assessment Inventory (PAI) in a Clinical Sample, 2012). The evetns were significant and scored as such…

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    Validity in Research When planning research, scholars must consider many factors. Two such factors are is the measure of the construct valid and will the specific measure of the construct result in reliable data (Trochim & Donnelly, 2008). Take for example a study to determine the effectiveness of a specific Attention Deficit Disorder (ADD) medication for children ages 8-14 who are diagnosed with ADD, where the researchers yield consistent results for each participant for each dosage for the…

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    Measuring Validity

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    Measuring validity is important because it determines the impact of research. Validity is defined as “an integrated, evaluative judgment of the degree to which empirical evidence and theoretical rationales support the adequacy and appropriateness of inferences and actions based on test scores or other modes of assessment” (Salkind, 2010, p.1). There are many criteria of rigorous research, for example, internal validity, external validity, objectivity of observer, replicability, and reliability…

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