Answer:
Placebo effects or experimenter bias are likely to affect results
Explanation:
Due to the fact that everyone in the class is quite excited about being taught by the new method, the most obvious error will be the placebo effect, a phenomenon where some people would perceive some benefit of some sort because they already know what is expected of them. Experimental bias may also occur since everyone is quite excited, but then he chooses to allocate the teaching method to a random half and the old method to the other half. This can cause the students allocated to the old method to provide bad reports and those who are allocated to the new method to claim excitement.
Answer:
Socio-economic development is the process of social and economic development in a society. ... Causes of socio-economic impacts are, for example, new technologies, changes in laws, changes in the physical environment and ecological changes.
opportunity cost describes andy's time
<h3>What is
opportunity cost?</h3>
The opportunity cost of a specific activity option in microeconomic theory is the loss of value or benefit that would be experienced by engaging in that activity, as opposed to engaging in an alternative activity that offers a higher return in value or benefit.
The value of the next best alternative or option is referred to as the opportunity cost. This value may or may not be monetary. Value can also be measured using other criteria such as time or satisfaction. One formula for calculating opportunity costs may be the ratio of what you give up to what you receive.
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Plessy v. Ferguson case was one of the most profound case in history. The Plessy v. Ferguson doctrine of "separate but equal" had integrated American society.
The chronological order are:
- Missouri ex rel. gaines v. Canada
- Mendez v Westminster
- Sweatt v. Painter
- Brown v. Board of Education
Plessy v. Ferguson was essential case because it rightly established the constitutionality of racial segregation.
There was constitutional setbacks to racial segregation for more than half a century until it was finally overturned by the U.S. Supreme Court.
Conclusively, The Supreme Court ruled that segregated, "equal but separate" public accommodations for blacks and whites and it made segregation legal.
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Answer:
The depression in Europe gave rise to the dictators in Spain, Italy and Germany. People lost hope in democracies and wanted a strong leader to correct the problems. Strong leaders promised solutions to the problems in their countries.
Explanation: