PR2 Reviewer

Which of the following statements is true about the conduct of experimental research?

• There is no random assignment of individuals.

• Individual subjects are randomly assigned.

• Individual subjects are randomly assigned.

• Intact groups are used.

What is the aim Ex post facto research design?

• identify association among variables

• establish cause and effect relationship

• observe and describe a phenomenon

• determine a cause from already existing effects

A correlation coefficient enables you to:

• quantify the strength of the relationship between variables.

• evaluate whether two variables measure the same values.

• measure the difference between two quantities

• establish whether the data is exact.

What is the outcome when you reject the null hypothesis when it is false?

• Correct decision

• Incorrect decision

• Type I Error

• Type II Error

What is the purpose of Pearson's r as a statistical technique? To test the?

• difference between sets of data from different groups.

• difference between two sets of data from one group.

• degree of effect research intervention or treatment.

• relationship between two continuous variables.

It is the frequency of distribution and percentage of the occurrence of an item in a set of data.

• Correlation

• Frequency Distribution

• Measure of Central Tendency

• Standard Deviation

What data collection procedure is considered as an analysis of documents belonging to an organization?

• Documentary Research

• Interview

• Observation

• Questionnaire

Which of the following explains how the evidence or findings resulting from your data analysis stands to prove or disapprove your conclusion?

• Conclusion

• Recommendation

• References

• Warranted Conclusion

Which of the following is considered as the score/label/value of a variable, not the frequency of occurrence?

• Population

• Sample

• Value

• Variable

Which one of the following is an advantage of using questionnaire?

• It can encourage the participants to be open to the researchers since their identity can be made anonymous.

• Some participants will not be able to complete the required responses.

• Questionnaires may lack depth of answers from participants.

• Some will not be able to return the questionnaire on time.