exam 3 Flashcards
nominal scale
permits comparison of only sameness or difference thought of a classification
ordinal scale
indication of rank-order, allows for comparison but does not qualify
interval scale
contains info about width and order, but a score of 0 does not represent absence of value
ratio scale
has a true 0, contains characteristics of all other measurement scales
construct validity
likelihood of concept existing and being measured
concurrent validity
comparing validity versus some criterion measurement
content validity
degree to which measuring instrument or process contains tasks that provide evidence about traits being measured
social and emotional support has been defined as
a support system formed by interpersonal relationships
name the four major functions of social and emotional support
emotional
informational
instrumental
appraisal
describe what we know about the association between social and emotional support and different health constructs
if you have social and emotional support health risks decrease or you have a lower risk of disease
removal of physical inactivity has the larges effect on reducing the likelihood of ______
colon cancer
power
increases the probablility of rejecting the null hypothesis when the null hypothesis is actually false
if something is significant it is ____
probably true
the ___ ___ and ____ tell you about the central tendency of the data
mean median mode
the ____ and ___ are determined by examining the deviation of each score from the mean of all the scores
variance and x-score