Social Studies, 31.03.2020 00:00 heysonic91
Vito, age 5, and his uncle are playing with cookie dough. They make two round balls of the same size. Vito flattens one ball of cookie dough into a pancake shape on the baking sheet and says, "Look, now this one has more dough." Vito has not yet developed an understanding of .
Answers: 2
Social Studies, 21.06.2019 15:00
An education expert is researching teaching methods and wishes to interview teachers from a particular school district. she randomly selects ten schools from the district and interviews all of the teachers at the selected schools. which type of sample did she use in this study? a)systematic sample b)probability sample c)stratified sample d)cluster sample
Answers: 2
Social Studies, 22.06.2019 10:00
Aresearcher conducting behavioral research collects individually identifiable sensitive information about illicit drug use and other illegal behaviors by surveying college students. the data are stored on a laptop computer without encryption, and the laptop computer is stolen from the researcher’s car on the way home from work. this is an unanticipated problem that must be reported because the incident was (a) unexpected (i.e., the researchers did not anticipate the theft); (b) related to participation in the research; and (c) placed the subjects at a greater risk of psychological and social harm from the breach in confidentiality of the study data than was previously known or recognized. according to ohrp, this unanticipated problem must be reported to the irb in which timeframe? promptlywithin 48 hourswithin 24 hourswithin two weeks
Answers: 2
Social Studies, 22.06.2019 14:00
Why does the united states constitution require that a national census be taken every ten years?
Answers: 1
Vito, age 5, and his uncle are playing with cookie dough. They make two round balls of the same size...
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