Rey works in the packing department at a frozen food factory and is paid a set amount of money for every 1,000 containers of frozen peas he packages. Rey is being reinforced on a – schedule. Elinor helps her friend every weekend at an outdoor flea market, but Elinor is only paid on the weeks when sales exceed her friend’s expenses. On average, Elinor is paid three weekends per month, but she can’t count on it. Elinor is reinforced on a – schedule.

Asociologist wants to study a culture that occurs in some women’s prisons: “state families,” in which individual prisoners take on certain roles within a group of like-minded prisoners. there is previous evidence that younger prisoners will use older inmates who play the roles of grandparents as a resource before they will turn to staff for and advice. the lieutenant in charge of a dorm of long-term prisoners offers to gather volunteers to speak to the researcher and also offers to vouch for the integrity of the researcher. the use of this staff is: a valid use of a statistical technique referred to “snowball sampling” wherein the inclusion of the first subject leads to the recruitment of another one subject. a useful tactic in obtaining a sample of prisoners who both meet the criteria and who will be honest with the researcher. wrong and is prohibited; subject selection needs to be free from intervention by prison authorities or prisoners. acceptable only when the researcher’s irb grants a special waiver.

Karin bought illegal firearms at a gun show. at her trial, she alleged that she had committed this crime because her boyfriend had threatened to harm her and her two daughters if she did not. her lawyer asked the judge to instruct the jury that the prosecution had an obligation to prove beyond a reasonable doubt that karin had acted freely. instead, the judge told the jury that karin had the burden of proving duress by a preponderance of the evidence. who is correct?

No renewable resources are natural resources that are limited in supply and cannot be replaced as quickly as they are used.(true or false asnwering) a. true b. false