Question : 21) Random assignments would be most critical in what type : 1184051

 

 

21) Random assignments would be most critical in what type of research?

A) Case study

B) Correlational

C) Descriptive

D) Experimental

 

 

22) Which one of the following instances is MOST like a random sample for a class of thirty students?

A) A coin is tossed in order to select students alternately one by one into the experimental and control groups.

B) The first ten students who enter the classroom are placed into the experimental group and the next ten into the control group.

C) The first twenty volunteers are selected from the physics class and alternately placed into experimental and control groups.

D) The twenty students with the highest GPAs are selected and alternately placed into experimental and control groups.

 

 

23) When a result from a research project involving an experimental design is reported in the literature as significant, this result

A) contradicts the prevailing theoretical views.

B) is unrelated to theory development.

C) is unlikely to have occurred by chance.

D) will indicate its practical importance.

 

 

24) What type of research participants should researchers use for studies of cause-and-effect relationships?

A) Controlled samples

B) Random samples

C) Related samples

D) Skilled samples

 

 

25) Dr. Patterson concludes from her research that using a systematic study strategy CAUSED good grades for students assigned to a particular group. For this conclusion to be valid, the type of research that was performed must have been what type of study?

A) Correlational

B) Descriptive

C) Experimental

D) Observational

 

 

 

 

 

 

26) A researcher finds that students who were given computers to use at home demonstrated greater independent learning skills than a comparable group that was not selected to receive home computers. What type of research study was probably designed for this conclusion to be valid?

A) Correlational

B) Descriptive

C) Experimental

D) Observation

 

 

27) An explanation of how we remember things that we have learned is called a

A) construct.

B) correlation.

C) principle.

D) theory.

 

28) According to the law No Child Left Behind

A) research is not important for improving schools.

B) states have some say in defining “proficiency” for students

C) initial hypotheses about education which have not been tested can still improve educational practices.

D) mandates all teachers must conduct a research project on an annual basis.

 

 

29) According to the Point/Counterpoint discussion in Chapter 1, the following statement is true about what kind of research should guide education

A) Some researchers challenge the idea that educational research should be similar to research in medicine because humans in school settings are much too complex and function in frequently changing social environments.

B) Researchers agree educational research should be based on experimental trials, similar to medical studies.

C) Most researchers agree children in schools are over studied and too much research in taking place in school settings.

D) Most educational researchers agree teaching is an art and cannot be based on scientific research.

 

 

30) According to Woolfolk, over time theories

A) have returned to the core ideas set forth years ago by Sigmund Freud.

B) have become less important in educational research and practice.

C) have become more systematic and scientific.

D) are less scientific compared to ten years ago.

 

 

 

 

 

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