It confirms whether scales that should not be related are really not related. The third step is discriminant validity analysis. Sample size: 2,900 respondents, who took our assessment after a break of 5-7 months. Just like Cronbach’s alpha, all coefficients are expected to be 0.70 or higher. That said, our assessment passes the test-retest challenge as well. Therefore, some variation over a period of time should definitely be expected. Our personality traits also tend to shift slightly as we grow and mature. presidential election, with noticeable changes on scales such as the Assertive-Turbulent one – potentially indicating increased or decreased anxiety. At the very least, a perfect test-retest experiment would require the same environment and the same mindset, which is near impossible to achieve when it comes to personality testing.įor instance, our data strongly hints that certain personality types reacted differently to the 2016 U.S. It’s important to keep in mind that measuring test-retest reliability in personality psychology is quite different from, say, near static physical measurements (such as vision). The higher the reliability coefficient, the less variability there is on a particular scale. Test-retest reliability shows how much correlation there is between the original test results and a retake (usually after a longer time period). Principles and Applications of assessment in counseling by Understanding Reliability and Validity in Qualitative research, 3 rd edition, Web.Sample size: 10,000 respondents. My opinion is that in order to get results from a given test that a representative of the entire population a more diverse sample has to be put into consideration because the results from this test can only be used a tiny part of the diverse population. This test also attests to the importance of Cronbach’s alpha in giving meaningful results due to its high internal consistency. My opinion on the test is that its validity can be quantified because the results of the test show a strong resemblance to aspects measured toward individuals of the sample and population in real life. Form an opinion of the test using the information you provide in your report Strengths of this sample are in affection, affinitive, and altruistic these strengths can be found in a big size of same nature of population hence nature of population and sample size can be as the two most important factors to consider because they influence constructs purportedly being measured in a test in a great way. Cronbach’s alpha is low on achievement, infrequency, S.D, independence, and morals which are characteristic of the nature of the population under test in this given sample. This explains the reason for their higher score in finances putting into account the male sample under consideration in this test is lower than the female sample. in the case of the finances there is a great difference between the male and female sample simply because male students are more engaged in income-generating activities than their female counterparts. The test results clearly show great validity of the results since the expected results in the given sample i.e. Sample size and nature of the population are the two main influences on the constructs purportedly measured by the test. Articulate how sample size and nature of population may influence the constructs purportedly measured by the test, observing any strengths and weaknesses in these areas This can also be suggestive that the behavior assessed is of a specific situation (Whiston, 2007). They also tend to have low Cronbach’s alpha which shows that they are volatile. They tend to be problematic because it’s clearly observable that they have low coefficients which are a sign of weakness. The ones that are problematic are achievement, infrequency, S.D, independence, and morals. Areas of concern and strength.: (e.g., low coefficients, or weaknesses, and high coefficients, or strengths)
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