While training his dog, mark first says the word "sit" and once the dog sits, he gives her a treat. immediately after this, he says, "good dog! " he repeats the same process many times, and each time his dog sits after listening to his command. in this example, which of the following is the secondary reinforcer?
a. the words "good dog"b. the treatc. the word "sit"d. mark

Aresearcher proposes to conduct a study at a foreign site. the research has been determined to be exempt from the federal regulations by institutional policy. according to federal regulations, is review required at the foreign site? if a proposed study qualifies for exemption, federal regulations do not require review at the foreign site where it will be conducted but still require review at the u.s. site by the institution’s irb. if a proposed study qualifies for exemption, federal regulations do not require review at the foreign site where it will be conducted. if a proposed study qualifies for exemption, federal regulations do require review at the foreign site where it will be conducted. if a proposed study qualifies for exemption, federal regulations do not require review at the foreign site where it will be conducted, but still require review by the institutional official at the local site.

Ais a group of people living and working under a set of rules and traditions.

Including place names directions and distances describe a route harriet tubman was likely to have followed from her slave home near bucktown to philadelphia