Which of the following strategies enhance long-term memory by using retrieval cues?
(a) joe drinks coffee while he studies, so he buys a cup of coffee on his way to his exam.
(b) ellen visualizes the empty spots in her kitchen cupboards to recall her grocery list.
(c) bill practices the speech he will deliver to a full auditorium in his quiet bedroom.
(d) marc looks at a long list of terms he has never seen and tries to memorize them by rote repetition.
(e) janet always drinks coffee and eats sweets when she studies, but she attempts to take her exam without relying on coffee or sweets
(f)jason practices his speech in the classroom where he will deliver it.

22. the effect of threshold braking is to a. cause skids. b. lock wheels. c. prevent locking of wheels. d. increase stopping distance.

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.

During the late 19th century, russia's settlement and development of siberia was made possible by the invention of the