Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

Remove Ads
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

research test 3

ch. 14 evaluating measurements

evaluation of quantitative data -establishing the reliability and validity of quantitative data obtained by instruments, tests, or measurements (synonyms)-- devices to measure the quantity of an attribute
evaluation of quantitative data ex: height-- rather tall vs 6'2; weight -- kind of chubby vs BMI of 30 **assignment of numbers to measure the differences between Ss possessing varying degrees of an attribute
Levels of measurement -assignment of numbers to quantitative data collected via various measurements that enables analysis 1. nominal 2. ordinal 3. interval 4. ratio
Nominal measurement -use of numbers to classify variables -attribute only named -no quantitative meaning -minimal mathematical treatment possible
nominal measurement ex: gender, race: w=1, b=2, h=3, a=4, marital status, religion, blood type, sleep position, type of analgesic, type of education of RN, answers to true/false or yes/no questions
nominal measurement -lowest level -involves using numbers simply to categorize attributes -gender and blood type are typical examples of this -numbers dont have quantitative meaning (if guys and girls were coded as 1 and 2, the numbers would not have quant. implication
Created by: lissy11