Active Observation - ANS-Researcher has some diploma of interplay with concern
- surveys/ questionnaires
Blinding - ANS-When topics are unaware if they are receiving remedy of placebo
Blocks - ANS-Groups of subjects with comparable traits
Census - ANS-Count of degree of an entire populace
Cluster Sample - ANS-Population is split into organizations (clusters) and all participants of 1
ore greater of clusters selected
- zip codes
Completely Randomized - ANS-Subjects are assigned to specific remedies companies thru
random selection
Confounding Variable - ANS-When experimenter cannot distinguish among results of different
factors on a variable
-ex: mental fatigue vs boredom
Convenient Sample - ANS-Members of population without difficulty received.
-randomly stopping humans in shopping malls
Cross-Sectional Data - ANS-Where a researcher collects info or measurements for each
variable on an element at the "identical" factor
Data - ANS-Things about which records may be collected and analyzed
Data Set - ANS-An arranged series of statistics that contains the various categories of data
accrued for a particular look at
Descriptive Statistics - ANS-A compiled precis of the records analysis
EX: Tabular, Graphs, Column Chart