Measuring instrument

reliable? Explain. Relaible measurment is the consistency of a set of measurements or of a measuring instrument, often used to describe a test. Reliability is inversely related to random error. The validity of a measurment is how accurate it is. Reliability does not imply validity. That is, a reliable measure is measuring something consistently, but you may not be measuring what you want to be measuring. For example, while there are many reliable tests of specific abilities, not all of them would

The primary research question of the study was “does testing as a final activity, in an in-hospital resuscitation skills course, increase learning outcome compared with an equal amount of time spent practicing?” (Kromann et al., 22). The primary independent variable for this study was the type of final activity. This includes both the testing as the final activity and the equal time practicing as the final activity. The IV was operationalized through two groups, a control group and an intervention

Objective This experiment will involve measuring the volume and mass of a cylinder, a sphere and a wooden block. Based on the mass and volumes of these objects, the density of these objects can be calculated. The equation for the density of an object is density =mass/volume. In the density equation there is a direct proportional relationship between the mass of an object and its volume. For instance, if an object has its mass decreased, its volume will also decrease. The experiment used a

industrial revolution brought much development in instrumentation to serve the industrial needs of process variables measurement. The last few years of the 20th century (because of the new innovations and development in electronics) resulted in new instruments and measurement techniques, which are implemented in the oil and gas industry. Instrumentation and measurement are very essential in oil and gas upstream, midstream, and downstream. Upstream refers to the exploration of both underground and underwater

Problem: How do different material cups such as, plastic, paper, and styrofoam cups affect an anemometers speed? Styrofoam Cups Styrofoam is known as plastic #6 or PS (Polystyrene). Styrofoam was first used in 1941 when Dow’s Chemical Physics Lab found a way to make foamed polystyrene. Styrofoam starts out as little pellets. These pellets are about 1 millimeter big and will go through a heating and cooling process, expanding the pellet 40 - 50 times its size. Styrofoam is usually used to

WORK STUDY & OBSERVATION 5.1) WORK STUDY:- Work study is a term for techniques, particularly method study and time study, which are used for the examination of human work in all its contexts, and which lead systematically to investigation of all the factors which affect the efficiency and economy of the situation being reviewed, in order to seek Improvement in performance & productivity. Work study analyzes the work done in an organization and aims at finding the best and the most efficient

Validity: External, Internal, and Construct Internal validity measures what it intends to measure or, more generally, if it examines what it sets out to examine. In effect, a valid study gives real answers to the research questions and provides a real test of the hypotheses. According to Aken, Berends, and Bij (2007), “Internal validity concerns conclusions about the relationship between phenomena. The results of a study are internally valid when conclusions about relationships are justified and

By having the length, width, and height measurements off by a little, the volume would be off by a huge amount. A small error in the hand measurements would grow by leaps and bounds in measuring volume. 3. Graphing data and the determination of π In this experiment, I measured 5 round objects of varying sizes. The objects I selected are a cup, a bowl, a soda can, a babies rattle, a CD. Object Diameter (cm) Circumference (cm) Cup

ASSESSMENT INSTRUMENT REVIEW. In this paper I am going to review instrument used for measuring depression. Depression can be defined as that state of mind that an individual is sad or in an unhappy mood. Other symptoms associated with depression are the feeling of tiredness, unenthusiastic, or hopeless. In some cases, depression can lead to suicidal ideation. It can be described as severe case of major depression; or in a chronic, mild-to-moderate form, as is the case with persistent depressive disorder

than just make a “me too” product. We need to combine our GPS and golf course cartography with a LRF to offer a new and better experience for LRF users that doesn 't sacrifice the accuracy to the pin. The Approach Z80 will revolutionize electronic measuring devices by merging both the functionality and form factor. The Approach Z80 will be a direct competitor with the leading LRFs in the industry that have singular capability of only providing distance to one item. In order to impact the competition