Ragava International Statistical Institute - Global Healthcare Training

1.) Special cause variation is to the process

Random, extrinsic, outlier

Assignable, intrinsic, noise

Random, inlier, identifiable

Assignable, extrinsic, outlier

2.) In statistical process control, it is important first to

Eliminate assignable cause of variation

Eliminate random cause of variation

Prioritize cause of variation

Eliminate all cause of variation

3.) A small, rural hospital wishes to evaluate customer satisfaction using a survey. The organization has four patient care units, an emergency department, and an ambulatory unit. Which of the following survey methods provides the most reliable information?

A random sample of 20% of annual discharges/ visits per unit

A random sample of 5% of annual discharges/ visits per unit

All discharges /visits in January and July

All discharges /visits of customers with a last name beginning with the letters A-E.

4.) According to epidemiological theory, the rate of new cases of transfusion reaction since the previous year would be termed

A numerator

A denominator

A prevalence rate

An incidence rate

5.) The use of regression analysis to help determine relationships between groups of numbers is most closely associated with which graphic display technique?

Frequency distribution

Scatter diagram

Line graph

Histogram

6.) The QI team is responsible for determining whether the data demonstrates special or common cause variation. Of the following, what is the best display option to use?

Run chart

Pareto chart

Scatter diagram

Control chart

7.) Which of the following descriptions correctly correlate with continuous data?

Variables, counted, categorized, percentages, means, t test

Counted, categorized, measured, variables, means, t test

Discrete, counted, categorized, percentages, chi-square, whole numbers

Attributes, counted, measured, discrete, chi-square, means

8.) Which of the following sampling technique involves selecting the medical record of every fifth patient undergoing cardiovascular bypass?

Convenience

Systematic

Stratified

Simple random

9.) An emergency department trends wait times from patient arrival to physician assessment. Data are reported using run chart. Which of the following demonstrate a true statistical increase in treatment delay?

6 consecutive ascending data points

7 consecutive descending data points

A zigzag pattern of 10 data points

Data points close to the mean line

10.) Prior to plotting a line graph, a healthcare quality professional should first

Calculate the mean

Define the axis measurements

Identify the parameters

Develop a legend

11.) Which of the following are measures of central tendency?

Mean, median, and mode

Standard deviation, variance and standard error

Grouped data, bell curve and distribution

Correlation, regression and t-test

12.) Sample include all available data in the area

Quota

Convenience

Stratified random

Purposive

13.) Released reports revealed that appendectomy rate is 50% of new admissions to a male surgical ward. What else is needed to interpret this report

Sample size

Ethnicity of patients under study

Sources of data

Number of days within the study period

14.) Upper control limit & lower control limit is

Derived from special cause variation

Actual process measure

Benchmark

None

15.) A valid data collection should incorporate

A reliable graphic presentation

The definition of data elements

A minimum of 20 data elements

Allowance of variance of interpretation

16.) Rate of cesarean section over 5 years best display

Bar chart

Control chart

Pareto

Fishbone

17.) When assessing an emergency room, the best strategy for data collection is..

Cluster sampling

Continuous sampling

Matched random sampling

Accidental sampling

18.) In data collection, Qualitative data are to Quantitative data as

Opinion are to facts

Fabrications are to designs

Attitudes are to deeds

Actions are to outcomes

19.) The upper and lower control limits of a process control chart are three standard deviations from the mean. A data point that falls outside these limits

Will be found 5% of the time even if the process is in statistical control

Will be found 5% of the time even if the process is out of statistical control

Indicates the presence of a sentinel event

Is a signal for further investigation

20.) In which of the following scenarios is rule-based sampling most appropriate?

Obtaining customer feedback

Assessing compliance to the time-out procedure

Measuring patient falls

Functional testing of laboratory machines.

21.) What is the most likely effect of tampering when dealing with control charts?

Reducing variation when the process is table

Increasing variation when the process is stable

Failing to recognize special cause variation when it is present

Falsely identifying special cause variation when none exists

22.) An acute care facility recently revised its clinical protocol for the prevention of ventilator-associated pneumonia. It has since experienced greater variation in monthly staff performance. The number of ventilated patients per month has remained approximately the same, when sampling medical records for the monthly review, how should the organization adjust the sample size?

Reduce the sample size

Increase the sample size

Keep the sample size the same

Review the medical record of each ventilated patient until variation is reduced.

23.) Which of the following is a typical size for a customer focus group?

1 to 3

3 to 5

8 to 12

15 to 20

24.) The success of a customer focus group rests principally on the:

Group size

Length of meeting

Opinions of the group

Skill of the moderator

25.) Which test is often used by quality managers when data is counted, not measured?

Chi-square.

Multiple regression analysis

Regression analysis

T-test

26.) which of the following sample techniques selects participants based on their availability in a certain place during a specific time frame?

Quota

Random

Volunteer

Convenience

27.) The results from a Nominal Group technique session can be presented as 5 points

Bar chart

Pie chart

Run chart

Scatter plot

28.) Tools used to compared the current level with desired level

work flow

flow chart

Pareto

Radar (Gap)

29.) Relationships are best displayed by a

Flowchart, cause and effect diagram, scatter diagram

Run chart, table, scatter diagram

Pie chart, prioritization matrix, Pareto chart

Flowchart, cause and effect diagram, check sheet

30.) The Pareto rule is which of the following?

80% of QM activities are wasted

80% of the problems have 20% of the impact

20% of the problems have 80% of the impact

20% of the costs reap 80% of the benefit

31.) The QI team is responsible for determining whether the data demonstrates special or common cause variation. Of the following, what is the best display option to use?

Run chart

Pareto chart

Scatter diagram

Control chart

32.) Focus groups provide patient/customer input or feedback. What type of information do they offer?

Qualitative

Quantitative

Measured

Opinionated

33.) Which of the following sampling technique involves selecting the medical record of every fifth patient undergoing cardiovascular bypass?

Convenience

Systematic

Stratified

Simple random

34.) An emergency department trends wait times from patient arrival to physician assessment. Data are reported using run chart. Which of the following demonstrate a true statistical increase in treatment delay?

6 consecutive ascending data points

7 consecutive descending data points

A zigzag pattern of 10 data points

Data points close to the mean line

35.) The first step in conducting an epidemiological study is to

Collect the data

Determine which statistical test to use

Develop the data collection tool

Formulate the question to be answered

36.) Prior to plotting a line graph, a healthcare quality professional should first

Calculate the mean

Define the axis measurements

Identify the parameters

Develop a legend

37.) Which of the following are measures of central tendency?

Mean, median, and mode

Standard deviation, variance and standard error

Grouped data, bell curve and distribution

Correlation, regression and t-test

38.) The result of the customer survey the mean score was calculated with each item. Weight was applied to range each item in order to importance to the customer which of the following the highest weighted mean score:

Mean 3 and weight 0.9

Mean 4 and weight 0.8

Mean 5 and weight 0.7

Mean 6 and weight 0.6

39.) Data gathering method includes all of the above except:

Measurement

Observation

Correlation

Interviewing

40.) Released reports revealed that appendectomy rate is 50% of new admissions to a male surgical ward. What else is needed to interpret this report

Sample size

Ethnicity of patients under study

Sources of data

Number of days within the study period

41.) Within Statistical analysis, the mean might also be described as which of the following?

Probability

Average

Dispersion

Coefficient

42.) All the following are factors that influence sample size EXCEPT:

Purpose of research

Population Size

Level of confidence desired

Power analysis

43.) The upper and lower limits of a control chart are

calculated from actual process measurements.

calculated by projecting future requirements.

derived from special cause variation.

derived from external regulatory standards.

44.) Choosing a small number of items to represent characteristics of the whole is an example of

sampling methodology.

outlier identification.

statistical significance.

benchmarking.

45.) Which of the following should a healthcare plan use to collect satisfaction data from its health plan members?

data collected through questionnaires or surveys

claims data obtained from healthcare payors

disease data obtained from disease registries

data collected from the electronic health record

46.) Each department in a hospital self-monitors and reports hand hygiene data each quarter. Results typically fall within the 58-72% range, with the exception of Respiratory Therapy, which consistently reports 100% compliance. Which of the following steps should a healthcare quality professional take next?

Provide remedial hand hygiene training for the lowest scoring departments.

Recognize the Respiratory Therapy department for its outstanding compliance.

Validate that the Respiratory Therapy results are accurate.

Require departments not achieving at least 95% compliance to develop corrective action plans.

47.) When reporting infection control indicators to a governing body, a healthcare quality professional should demonstrate improvement with which of the following tools?

run chart

frequency plot

pie chart

scatter plot

48.) Before patient outcome data can be used for benchmarking, the data should be

organized by patient age.

adjusted for length of stay.

adjusted for severity of illness.

organized by patient gender.

49.) A healthcare quality professional receives complaints from numerous patients that the registration process is inefficient. Which of the following should be used to best identify customer expectations, perceptions, and improvement opportunities?

telephone survey of patients

focus group with patients

written survey of registration staff

interviews with registration staff

50.) A criterion is considered valid if it

consistently yields the same results.

does not change with changes in technology.

is applicable to many groups and settings.

measures what it is intended to measure.

MockTest / HDA_Mock 1

1.) Special cause variation is to the process

2.) In statistical process control, it is important first to

3.) A small, rural hospital wishes to evaluate customer satisfaction using a survey. The organization has four patient care units, an emergency department, and an ambulatory unit. Which of the following survey methods provides the most reliable information?

4.) According to epidemiological theory, the rate of new cases of transfusion reaction since the previous year would be termed

5.) The use of regression analysis to help determine relationships between groups of numbers is most closely associated with which graphic display technique?

6.) The QI team is responsible for determining whether the data demonstrates special or common cause variation. Of the following, what is the best display option to use?

7.) Which of the following descriptions correctly correlate with continuous data?

8.) Which of the following sampling technique involves selecting the medical record of every fifth patient undergoing cardiovascular bypass?

9.) An emergency department trends wait times from patient arrival to physician assessment. Data are reported using run chart. Which of the following demonstrate a true statistical increase in treatment delay?

10.) Prior to plotting a line graph, a healthcare quality professional should first

11.) Which of the following are measures of central tendency?

12.) Sample include all available data in the area

13.) Released reports revealed that appendectomy rate is 50% of new admissions to a male surgical ward. What else is needed to interpret this report

14.) Upper control limit & lower control limit is

15.) A valid data collection should incorporate

16.) Rate of cesarean section over 5 years best display

17.) When assessing an emergency room, the best strategy for data collection is..

18.) In data collection, Qualitative data are to Quantitative data as

19.) The upper and lower control limits of a process control chart are three standard deviations from the mean. A data point that falls outside these limits

20.) In which of the following scenarios is rule-based sampling most appropriate?

21.) What is the most likely effect of tampering when dealing with control charts?

23.) Which of the following is a typical size for a customer focus group?

24.) The success of a customer focus group rests principally on the:

25.) Which test is often used by quality managers when data is counted, not measured?

26.) which of the following sample techniques selects participants based on their availability in a certain place during a specific time frame?

27.) The results from a Nominal Group technique session can be presented as 5 points

28.) Tools used to compared the current level with desired level

29.) Relationships are best displayed by a

30.) The Pareto rule is which of the following?

31.) The QI team is responsible for determining whether the data demonstrates special or common cause variation. Of the following, what is the best display option to use?

32.) Focus groups provide patient/customer input or feedback. What type of information do they offer?

33.) Which of the following sampling technique involves selecting the medical record of every fifth patient undergoing cardiovascular bypass?

34.) An emergency department trends wait times from patient arrival to physician assessment. Data are reported using run chart. Which of the following demonstrate a true statistical increase in treatment delay?

35.) The first step in conducting an epidemiological study is to

36.) Prior to plotting a line graph, a healthcare quality professional should first

37.) Which of the following are measures of central tendency?

38.) The result of the customer survey the mean score was calculated with each item. Weight was applied to range each item in order to importance to the customer which of the following the highest weighted mean score:

39.) Data gathering method includes all of the above except:

40.) Released reports revealed that appendectomy rate is 50% of new admissions to a male surgical ward. What else is needed to interpret this report

41.) Within Statistical analysis, the mean might also be described as which of the following?

42.) All the following are factors that influence sample size EXCEPT:

43.) The upper and lower limits of a control chart are

44.) Choosing a small number of items to represent characteristics of the whole is an example of

45.) Which of the following should a healthcare plan use to collect satisfaction data from its health plan members?

47.) When reporting infection control indicators to a governing body, a healthcare quality professional should demonstrate improvement with which of the following tools?

48.) Before patient outcome data can be used for benchmarking, the data should be

49.) A healthcare quality professional receives complaints from numerous patients that the registration process is inefficient. Which of the following should be used to best identify customer expectations, perceptions, and improvement opportunities?

50.) A criterion is considered valid if it