ARM 401: Extra Study Segment A
Consequence Rankings
(C) severity
Detection Rankings
(D) chance it will not be discovered prior to reaching the customer
Occurrence Rankings
(O) likelihood/ failure rate
Advantages of Fishbone/ 5 Whys
-determines root cause -when several root causes found, relationships can be determined
Criticality Analysis Categories
-excessive unscheduled maintenance -delay or loss of operational availability -potential mission failure -potential loss of life
Threats
-increased competition -declining economy -declining demand -taxes
Opportunities
-new markets -acquisition targets -reduced competition
Benefits of Probability
-predicting likelihood -prioritizing loss exposures -predicting/ estimating both (+) and (-) consequences of risk -evaluate and prioritize RM decisions
Expected Value
Mean; weighted average of values; weights based on likelihood; most obvious return one can expect from an action taken
Deductible
Risk Threshold
Residual Risk
The level of risk remaining after actions are taken to alter the level of risk; represents the effectiveness of current risk treatment
Optimum Risk
The level of risk that is within an organization's risk appetite;
Inherent Risk
The level of risk that would be faced if it were to remain untreated or no action were to be taken to alter the level of risk.
Risk Map
pinpoint where efforts should be focused; expresses likelihood and consequences in relation to risk appetite; identify, prioritize, and quantify risks in a two-dimensional pictorial that illustrates frequency and severity on vertical and horizontal axes.
Probability Analysis
predict likelihood can event will occur; most reliable for an organization with substantial volume of data on past losses and fairly stable operations
Production RCA
quality control/ industrial manufacturing
Risk Priority Number
relative risk of a particular FMEA item; RPN; higher RPN NOT = higher criticality
Probability Distribution
represents probability estimates for a particular set of circumstances and the probability of each possible outcome; mutually exclusive & collectively exhaustive; categories or bins
"and" gate
requires calculating joint probability that all events alone will occur; P(S) x P(T) x P(U)
"or" gate
requires calculating the probability that one or more events directly below will occur; P(H) + P(I) - P(H x I)
Process Flow RCA
similar to production/ business processes; analyzes specific processes from input to output; reviews a firms activities, relationships, and metrics; the goal is to make the process analyzed run more efficiently, flexibly, quickly, or cost-effectively
Delpi Technique
small group of experts; anonymous survey
Alternate Regression Analysis
solid portion of the line - trend of historical data; dashed portion of line - projects beyond the range of historical data
HAZOP
specific project/ process; complex scientific systems; useful in situation when all risks must be identified and eliminated; subdivide the process into components and review each
Cause and Effect Analysis
starts with a specific unwanted outcome of effect, then works backward through the process one step at a time to identify the underlying cause
Fault Tree Analysis
starts with an assumption about cause and works back from the failure; top event examined by discussing all causes that contributed
Failure Mode & Effect Analysis (FMEA)
teams examines a process & identifies failures @ each step; determines priority
Earning at Risk
technique to assess earning volatility by measuring the likelihood that earning will be below a specific dollar amount over a specific period of time; developed using Monte Carlo Simulation modeling changes and prices; assessing changes in factors like price of products and production costs on an org's earnings
Volatility
the degree of variation a subject may have; higher level of this = higher risk
EaR Threshold
the low end of projected earnings within a specific confidence, such as 95%; greater than ______ ____________ represented by area to the right; less than ______ ___________________ represented by area to the left
Theoretical Probability
unchanging; someone who has never seen could extrapolate probability from descriptions alone; coin toss
Event Tree Analysis
used for consequences of accidental events; typically provides only two options, success or failure.
Standard Deviation
used to determine the possible spread of potential results; greater value here = greater volatility
Value at Risk
used to determine the probability of a loss on an investment portfolio over a certain, usually short, period of time; likelihood of incurring a loss in value that exceeds a threshold level
Regression Analysis
used to estimate relationships with between variables; increase accuracy of forecasting; used for risks that vary predictably in relation to another variable
Curvilinear Regression Line
used to measure a relationship between the independent and dependent variables that changes @ an accelerating or decelerating rate rather than constant
Dependent Variable
variable being forecast
Independent Variable
variable determines the value of the dependent variable
Collaboration
work together for a shared goal
Cooperation
work together to achieve individual objectives
Steps of RCA
1: collect data 2: chart causal factors 3: identify root cause 4: determine and implement recommendations
Steps of FMEA
1: determine slope and objective 2: assemble a team 3: define components and function 4: for each, identify potential causes and effects of failure 5: develop responses to prevent/ mitigate
Formula for Standard Deviation
1: find the mean 2: subtract the mean from each individual value and square the result 3: find the mean of those squared results 4: find the square root of that mean
Steps of Decision Tree Analysis
1: identify decision under consideration 2: various pathways charted for each 3: each pathway leads to an outcome 4: probabilities and value of outcome compared to determine which option produces highest expected value
5 Steps of Fault Tree Analysis
1: identify specific harmful event 2: diagram events that lead to the harmful event (reverse order) 3: determine whether the events leading to any other are connected by a gate 4: evaluate the tree to determine opportunities for system improvement 5: make suggestions to management about risk control
Five Steps of HAZOP
1: subdivide the project/ system into small components 2: review each component 3: identify cause and consequences for each 4: develop a solution for each 5: reevaluate and ensure solutions are working
Normal Distribution
68% values ± 2 of mean 95% values ± 4 of mean 99% values ± 6 of mean
Emerging Technology
Allows analysis of a vast number of outcomes based on large datasets
Blockchain
Because of their security, ____________ can eliminate the need to verify the accuracy of risk management data.
Calculate Criticality Analysis
C x O x D = product then compared with RPN associated with other failures
Holistic Perspective
Focus on Understanding: -demands on stakeholders from management -what environments look like Develop a thorough understanding of each unit's role and how it supports or depends on other units and stakeholders.
Discrete Probability Distribution
finite number of outcomes; usually displayed on a table; all outcomes and probability of each; frequency distribution
Change Analysis
focus on consequences of change
TOR Approach
focus on ineffective management
Limitation of FTA
higher uncertainty in probability of base events means high uncertainty in top event
Fault Tree Analysis Purpose
identify loss control practices that would help prevent similar losses in the future
Audits
identify negative risks and opportunity risks
Coordination
improve efficiency & reduce redundancy
Continuous Probability Distribution
infinite number of outcomes; possible outcomes x-axis - likelihood y-axis; depicts consequences of events; flat - equal probability; curved -distributed probability; divide distribution into a countable number of bins
Organizational Risk Register
interactive tool that will adequately identify the organization's risks, and allow them to be measured based on likelihood and the level of risk to the organization
Scenario Analysis
internal cross-functional team; addresses concerns as a whole; used to compile an organizational risk register
Probability
likelihood that it will happen over a period of time, assuming the environment remains stable
Root Cause Analysis
look backward @ a defective process
Condition Value at Risk
measures the likelihood of obtaining financial returns that would exceed the VaR threshold; brings more clarity to what can occur on the negative side of the VaR threshold; analyze extremely large losses (hurricane risk)
SWOT Analysis
new project or process; analyzes the general environment and the task environment; target strengths and reduce weaknesses
Process Risk Analysis
dissects processes from input to output; quick and efficient
Monte Carlo Simulation
a statistical computer model that simulates the effects that uncertainty is likely to have on risk outcomes; best case - worst case - most likely; more data points = more accurate projection; less uncertainty about early phases than later ones
Goal of FMEA
ensure customer safety and quality products; uses a team rather than an individual; team identifies potential failures @ each step in a process and charts the likely consequences of those failures
Decision Tree
examines consequences of decisions; used to examine effectiveness of a system, treatment or control, justify expenditures of money, time, or resources
Failure RCA
failure analysis/ engineering and maintenance
Safety RCA
accident analysis / occupational safety and health
Trend Analysis
an analysis that identifies patterns in past data and then projects those patterns into the future; forecast gains or losses
Coefficient of Variation
another measure of spread; measures ______________ from a mean by dividing the standard of a distribution by its mean; used to compare results from two different sets of data; higher level of this = higher volatility
Empirical Probability
based on historical data and loss experience; may change will the discover of new data or environmental changes
JSA
breakdown and analyze steps of job/ activity/ operation; used on repetitive human tasks in a stable environment
Systems RCA
combine all four/ change/ systems analysis concepts
System Safety Analysis
components- physical elements purpose environment life cycle
Life Cycle
conceptual phase engineering phase production (development) phase operational (deployment) phase disposal (termination) phase
Risk Register
connected to Scenario Model; A tool developed at the risk owner level that links specific activities, processes, projects, or plans to a list of identified risks and results of risk analysis and evaluation; should up continually update by risk owner
Linear Regression Analysis
deals with a constant rate of change; assumes change in dependent variable is is the same from year to year; goal is to find equation for line of best fit (y=mx+b slope-m intercept-b)
