Introduction_______________________________________________________________ In this essay I will attempt to critically analyse the above statement by accessing the validity and reliability in a number of assessments. First of all we need to pass a critical eye over both validity and reliability. The statement above states that these are the foundations of underpinning assessments. But what exactly does validity and reliability mean? The definitions for these terms are, Reliability is the extent to which an "experiment, test, or any measuring procedure yields the same results on repeated trials.
In hypothesis testing, the ANOVA, T-Test, or Chi-Square is used to investigate if a hypothesis’s mean is true or false. Hypothesis testing involves developing the null hypothesis, choosing the suitable test static, identifying the statistical significance, deciding the decision rule to reject or not reject the null hypothesis, and collecting the data and completing the required calculations. The null hypothesis is simply a statement, which the investigator comes up with, that is being tested. Static testing involves using a value that is consistent and is computed from the data, such as the mean or mode. It measures the similarity or dissimilarity between the data and the null hypothesis.
After this a reliability, validity and factor analysis was carried out on the data. A reliability analysis was utilized to investigate if the test efficiently assessed the construct being measured. A validity analysis allowed us to investigate if there was a relationship between the subscales of our scale and the other scales participants had to answer. Finally, a factor analysis established whether one or more of the items underlie other
The criteria for inclusion & exclusion should be appropriate in such a way that there are minimal confounding factors which will interfere in the results. The statistical techniques used for deriving the results will be checked for their appropriateness. The discussion will be reviewed to highlight whether it reflects the results obtained in the study. The conclusion will be checked if it actually achieved the objective of the study. References will be analysed to check its completeness, relevance and current or old
Explain correlational studies and cautions about correlations. Correlation is the measurement of a relationship between two sets of data or variables. So correlational studies is to determine what variables are related to one another. Although one piece of data may be related to another that does not mean one is the reason or cause behind the other. There are two sets of correlations: positive and negative.
A psychometrist’s role includes: taking responsibility for the ethical use of Psychometric tests including test security, confidentiality and informed consent; to ensure adequate knowledge and understanding of psychometrics, testing and assessment; to ensure good practice in the use of psychometric tests, including test selection, test administration, scoring of tests and reporting accurately on test results; to ensure accurate interpretation of test results and feedback of test results; to ensure that the tests used are classified and that the test scope validity, reliability, standardisation, culture fairness, accessibility, language, level of education, practicality and acceptability are appropriate to the identified assessment needs of the context and clients; to develop, promote and advise on best practice in the field of Psychometry; and to contribute to the development of psychometric instruments in the South African
Not everyone can drive cars because they don’t have good eyesight or good hearing. Now this is giving more people a chance! Not only is this good for elder safety but also good for everyone 's safety. Its reliable for all people because this car reduces 90% of human error (Muhammad, 2015). Also the car is easy to work because based on the technology.
The car 's linear kinetic energy was significantly higher then it’s angular energy. The car 's linear energy is what was able to help get the car started. However, for some reason the car kept acting out and casing the car to stop without completely letting the lever arm complete its cycle. The car 's design was made to exactness as was mentioned earlier, as well as being a sound design. Due to that fact the car didn’t need to be changed as the test plans suggested because the car was strictly sound and did well on earlier performances.
The most important thing is to know what learning theory or theories your brain reacts to better. In my case I am very adapted to constructivism and Piaget theory. Constructivism for me is learning by personal experience and developing my own mental modes of the current event. Whatever is being taught I would literally have to set bases for myself within the lesson plan and develop real life events in my mind and thoughts in which will better my understanding of the teachers angle. In constructivism there are several key factors but the one I focus most on is curriculum.
Common sense psychology From the book The Psychology of Interpersonal Relations(1958), Fritz Heider tried to explore the nature of interpersonal relationship, and espoused the concept of what he called "common sense" or "naïve psychology". In his theory, he believed that people observe, analyze, and explain behaviors with explanations. Although people have different kinds of explanations for the events of human behaviors, Heider found it is very useful to group explanation into two categories; Internal (personal) and external (situational) attributions.  When an internal attribution is made, the cause of the given behavior is assigned to the individual's characteristics such as ability, personality, mood, efforts, attitudes, or disposition.