Answer: Paper money and woodblock printings are linked because woodblock printing made the production of paper money much faster.
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Explanation:Roediger and Karpicke (2006) investigated whether the test-enhanced learning effect (the demonstration that repeated testing improves memory for material) was due merely to repeated exposure to material. They randomly assigned participants to one of two study conditions (study-study or study-test) and to one of three retention interval conditions (final test at a delay of 5 minutes, 2 days, or 1 week). The dependent variable was the proportion of idea units recalled from an encyclopedia passage. How would you label the analysis for these data?A. 2 × 2 within-groups ANOVAB. 2 × 3 within-groups ANOVAC. 2 × 3 between-groups ANOVAD. 4 × 2 between-groups ANOVA
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Random <u>selection </u>ensures that a sample is representative of the population. random <u>assignment </u>ensures that participant characteristics are equivalent across groups.
<h3>What is a representative sample?</h3>
Representative samples are little amounts or components that are a part of a bigger group or organization. It shares the same characteristics as the bigger population it represents.
Consider a company in Germany's Bavaria that is going to launch a new service or product. It would be difficult for the company to poll every Bavarian to determine how they felt about the launch. As an alternative, researchers can compile a small sample from various locations in Bavaria that will serve as a representative sample of the local populace. After that, a survey will be given to the respondents to gather their comments on the good or service. A "representative sample" is the term used to describe this selection of Bavarian individuals.
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Third parties generally serve only to take votes from one of the main parties. Third parties generally serve only to take votes from one of the main parties. If the third party has a candidate promising similar things to the Rep. candidate, the Democrats are more likely to win simply because their votes are not being siphoned off. Think of it this way: if a school class were to vote on favorite colors and there were only blue and red to choose from, it would probably be mostly equal. But if the same class were to vote for blue, teal, and red, I would be willing to bet that red would win just because its votes weren't being split like the blue votes were. Teal is the third party. It won't ever win on its own, but it can be influential in that it can help the opposite party win.
