A worthwhile, conservative strategy for minimizing the possibility of invalid causal conclusions due to differential attrition is:
a. Ensuring at the outset of the experiment that subject assignment is truly random
b. Recruiting only subjects with stable residential histories and ongoing institutional ties
c. Combining matching with randomization
d. Basing the outcome analysis on comparing all subjects initially assigned to each condition
d. Basing the outcome analysis on comparing all subjects initially assigned to each condition
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Which of the following is a form of high-technology fraud that uses official-looking e-mail messages to elicit responses from victims, directing them to phony websites?
a. Phishing b. Spam c. Spyware d. Worm
Advocates for the legalization of psychoactive drugs argue that ______ and _______ are legal drugs that have more harmful effects than illegal drugs.
a.tobacco and cough syrup b.alcohol and tobacco c.alcohol and pseudoephedrine d.none of the above
The crime of kidnapping depends upon the distance the victim moved
Indicate whether this statement is true or false.
An officer is encouraged to be in contact with the defendant and defense witnesses, both before and during the trial.
Answer the following statement true (T) or false (F)