An instructor wants to determine if giving essay tests increases student learning In one class that the instructor teaches she continues to test as she has always done In another class She then measures the differences in learning if any…

In order to genuinely reflect a broad range of the population a survey must be based on precise ? A. representative sampling B. experiments C. surveys D. hypotheses

A detailed plan or method for obtaining data scientifically called a (n) ? A. sample B. experimentC. research design D. scientific method

Formulating the hypothesis is the _________ step in the scientific method? A. first B. secondC. third D. fourth

Standard deviation in statistics is the measure that indicates in the essence of______________? A. Central tendency B. spread of the sample means/values C. Both A an B D. None of these

A double barreled has the potential of having______________? A. two respectable responses/answers B. two answers but incompatible with each otherC. Both A and B D. None of these

An overall scheme of scientific activities which scientists engage in order to produce knowledge is a________________? A. Research process B. Research model C. Research methodologyD. Research design

Which of these is NOT viewed as a strength of surveys ? A. they are often undertaken by specialist agenciesB. they offer an appearance of precision C. the data is easy to quantify and analyses D. large numbers of people…