Examlex
A measure that consistently and accurately measures what is supposed to measure is ____.
Welfare
A government program that provides financial aid and services to support individuals and families in need.
Random Digit Dialing
A method of sampling telephone numbers at random for surveys, to ensure a representative sample of a population.
Telephone Numbers
A sequence of digits assigned to a landline or mobile telephone subscriber station connected to a telephonic network, through which the subscriber can be reached.
Push Poll
A controversial polling technique where the questions are designed to shape or influence the respondent's opinion rather than measure it.
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Q26: Colonial wars ended in 1945.
Q52: Interstate war increased significantly after the end
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Q65: Simple random sampling is also called proportional
Q67: A switching-replications design is good at defending
Q69: The blocks in the randomized block design