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Level of measurement or scale of measure is a classification that describes the nature of information within the values assigned to variables. [1] Psychologist Stanley Smith Stevens developed the best-known classification with four levels, or scales, of measurement: nominal , ordinal , interval , and ratio .
Scales constructed should be representative of the construct that it intends to measure. [6] It is possible that something similar to the scale a person intends to create will already exist, so including those scale(s) and possible dependent variables in one's survey may increase validity of one's scale.
The Edinburgh Handedness Inventory is a measurement scale used to assess the dominance of a person's right or left hand in everyday activities, sometimes referred to as laterality. The inventory can be used by an observer assessing the person, or by a person self-reporting hand use.
The Beck Hopelessness Scale (BHS) is a 20-item self-report inventory developed by Dr. Aaron T. Beck that was designed to measure three major aspects of hopelessness: feelings about the future, loss of motivation, and expectations. [1] It is a true-false test is designed for adults, age 17–80.
Subscales measuring the degree of severity of "less severe" and "more severe" behaviors are included for all CTS scales, "based on the presumed greater harm resulting from acts in the severe subscale." [18] The severity of behaviors can also be measured by analyzing the frequency of the acts and by whether an injury was reported by the respondent.
The item-total correlation approach is a way of identifying a group of questions whose responses can be combined into a single measure or scale. This is a simple approach that works by ensuring that, when considered across a whole population, responses to the questions in the group tend to vary together and, in particular, that responses to no individual question are poorly related to an ...
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The Vineland Social Maturity Scale is a psychometric assessment instrument designed to help in the assessment of social competence. [1] It was developed by the American psychologist Edgar Arnold Doll and published in 1940. [ 2 ]