The best way for researchers to reduce measurement error is to
a. minimize errors in coding data
b. standardize the testing conditions
c. train observers and coders
d. clarify test instructions and questions
e. all of the above
E
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Match each New Dealer below with the federal agency or program with which he or she was closely identified.
A. Robert Wagner 1. Department of Labor B. Harry Hopkins 2. Public Works Administration. C. Harold Ickes 3. Works Progress Administration D. Frances Perkins 4. National Labor Relations Act a. A-1, B-2, C-3, D-4 b. A-4, B-3, C-2, D-1 c. A-3, B-1, C-4, D-2 d. A-4, B-3, C-1, D-2 e. A-2, B-4, C-1, D-3
Experimental studies are designed to maximize ________ variance, control ________ variance, and minimize ________ variance
A) experimental; extraneous; error B) extraneous; experimental; error C) extraneous; error; experimental D) experimental; error; extraneous Fill in the blank with correct words.