A general threat to external validity that arises because subjects are aware that they are in an experiment and being studied is called ________________
a. experimenter expectancy
b. external validity
c. reactivity
d. double-blind experiment
e. Hawthorne Effect
C
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During the 1960s through the 1970s significant changes were made within the juvenile justice system, driven by three primary forces: a stronger federal government role, depopulating the overcrowded juvenile correction facilities, and U.S. Supreme Court Decisions establishing youthful offender rights in juvenile proceedings, and ______.
A. a more violent image of juvenile offenders B. a narrower definition of juvenile courts’ jurisdiction C. state reform efforts D. overwhelming public opinion favoring a get tough approach
Normally, during a cocktail reception, either before dinner or by itself, one bartender is needed for how many guests?
A. 25 B. 50 C. 75 D. 100
Two officers search a building. They search a room ____ before moving on.
a. thoroughly b. completely c. from top to bottom d. independently
In California, about how many of the nearly 120,000 registered sex offenders have committed crimes against children?
a. 1/3 b. 40,000 c. 2/3 d. 10,000