Purchase Solution

Steps to establish an instruments validity

Not what you're looking for?

Ask Custom Question

A high tech computer company asks me to validate a wrist mounted device to measure exercise energy expenditure. So the individual exhales one breath into the top of the instrument while exercising. The device's electronic components and microproccor analyze expired air to compute oxygen consumption and energy expenditure.

How would I go about creating an outline of steps necessary to establish the instrument's validity?

Purchase this Solution
Solution Summary

The steps to establish an instruments validity is examined.

Solution Preview

1.Test time, date, calibration and test conditions storage
<br>2.Easy view color scheme coincides to physiological norms
<br>3.Relational Data Manager (RDM). View ...

Purchase this Solution
Free BrainMass Quizzes
Crohn's Disease

How much do you know about this condition?

Labor and Delivery

Do you know about the stages of delivery? Find out with this quiz!

What everyone should know about MRSA

This quiz focuses on what everyone should know about community MRSA. Community MSRA is an infection in healthy people.

Vitals about a Patient's Vitals

Basic questions about blood pressure and measurements.

Tumor Markers

This quiz help you memorize common tumor markers used to detect and diagnose some types of cancer.

View More Free Quizzes
Related BrainMass Solutions

  • Levels of Measurement and Concepts of Validity

    Validity is difficult to establish, because different instruments or interventions may reveal different results. For example, validity indicates what has been measured is what the instruments claims to measure.

  • Data Collection Methodology Analysis

    Then, for either the current or proposed data collection method described, explain what steps you would take to establish the reliability and the validity of this measurement instrument or individual items.

  • Research Methods

    Validity and reliability of results depend on how effectively the research instruments measure the variances of the interest to the researcher. Validity refers to the extent to which the conclusions and inferences are accurate.

  • Research: Instruments & Sampling

    Can you identify an instrument that is reliable but not valid? Valid but not reliable? 2. What description/requirements would we establish for measuring the height of a sample of people?

  • Data gathering assessment tools

    Is it easier to establish reliability and validity with certain instruments? Why? How do you train evaluators to use each instrument?

  • reliability and validity

    The second validity option that we discuss is concurrent validity. To establish this validity, this instrument should be able to distinguish between groups that the measure is supposed to distinguish. Let us take an example from business.

  • Quantitative Analysis: Research Article

    Study Instruments/Tools In what way(s) is the support provided for the validity of the study instruments adequate for their use in this study? Validity is the degree to which an instrument or technique accurately measures or predicts a value.

  • Reliability and Validity of a Survey

    What steps would I take to establish reliability and validity of this survey? A survey would be considered quantitative research. To establish validity you must determine if these things are applicable (1). 1.

  • College Drinking and Poor Grades (Correlation)

    Reliability and validity is explained; the measurements that were taken help to explain the reliability of the instruments used (surveys) as well as the validity of the findings of the study. The second website is from the U.S.

View More Related Solutions