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HAAD RHIA Exam
Registered Health Information Administrator (RHIA) (Page 32 )

Updated On: 26-Jan-2026
Page 32 of 367
PDF with 1832 Questions

Investigator A claims his results are statistically significant at the 10% level. Investigator B argues that significance should be announced only if the results are statistically significant at the 5% level. From this we can conclude

  1. if investigator A has significant results at the 10% level, they will never be significant at the 5% level.
  2. it will be more difficult for investigator A to reject statistical null hypotheses if he always works at the 10% level compared with investigator B who works at the 5% level.
  3. if investigator A has significant results at the 10% level, they will also be significant at the5% level.
  4. it will be less difficult for investigator A to reject statistical null hypotheses if he always works at the 10% level compared with investigator B who works at the 5% level.

Answer(s): B



You point out to your administrator that the study model generally accepted to be the best method to determine the magnitude of risk in the population with the characteristic or suspected risk factor is the

  1. descriptive study design.
  2. analytic study design.
  3. prospective study design.
  4. case control study design.

Answer(s): C



Your administrator is concerned about the snuff study (see previous question #88). The administrator would like to consider using a case control study model rather than the prospective one you are planning. One of the biggest reasons the administrator is promoting the case control model is because case control is

  1. more likely to be free of design errors than a prospective study.
  2. the best way to analytically test the hypothesis of cause and effect.
  3. more likely to decrease recall bias errors than prospective studies.
  4. less expensive than prospective studies because it uses existing records.

Answer(s): D



You are planning a prospective study to try to prove a cause and effect relationship between dipping snuff and throat cancer. First, you identify subjects who regularly dip snuff and who are free of any signs of throat cancer. Next, you need to identify subjects who

  1. dip snuff regularly and who currently have throat cancer.
  2. dip snuff regularly and who currently have significant signs of throat cancer.
  3. do not dip snuff and who currently have significant signs of throat cancer.
  4. do not dip snuff and who are free of any signs of throat cancer.

Answer(s): D



The people of Treasure Island Beach have been struck with a rash that seems to be infecting almost everyone in town. The staff of the hospital is working to design a study of this mysteri' disease. They decide to do a cross-sectional study because cross-sectional or prevalence studies are known for

  1. quickly identifying cause and effect relationships that can serve as a basis for treatment.
  2. concurrently describing characteristics and health outcomes at one specific point in time.
  3. providing the information necessary to test for the most effective treatment of an illness condition.
  4. supplying entire populations with therapeutic interventions on an epidemiologically basis.

Answer(s): B



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