Anachem lec Errors in the Lab? Finals

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14 Terms

1
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Human error

Lack of Training - _____ _____

Incorrect Calibration - XXXXX XXXX

Different Types of Errors

Systematic Error

  • Predictable

  • Biased

  • Consistent

    • Examples:

    • Faulty calibration

    • Worn out tools

    • Technicians subconscious bias

      • Example Scenarios:

      • Calibration of pH meter (due to not having training available for it

Random Error

  • Unpredictable

    • Examples:

    • Environmental factors (air, moisture)

    • Increase replication

      • Example Scenarios:

      • Fluctuation of results (inc/dec)

      • Slight variation of pipette volume (due to human shaking/ human error)

Gross Error

  • Major mistake

  • Always double check data entries (if theres a chip in the pipette etc)

    • Examples:

    • Spills

    • Breakages

    • Incorrect calculations

      • Example Scenarios:

      • Mislabeling of tubes

2
New cards

Mechanical error

Lack of Training - XXXX XXXX

Incorrect Calibration - ______ _____

Different Types of Errors

Systematic Error

  • Predictable

  • Biased

  • Consistent

    • Examples:

    • Faulty calibration

    • Worn out tools

    • Technicians subconscious bias

      • Example Scenarios:

      • Calibration of pH meter (due to not having training available for it

Random Error

  • Unpredictable

    • Examples:

    • Environmental factors (air, moisture)

    • Increase replication

      • Example Scenarios:

      • Fluctuation of results (inc/dec)

      • Slight variation of pipette volume (due to human shaking/ human error)

Gross Error

  • Major mistake

  • Always double check data entries (if theres a chip in the pipette etc)

    • Examples:

    • Spills

    • Breakages

    • Incorrect calculations

      • Example Scenarios:

      • Mislabeling of tubes

3
New cards

Systematic error

Lack of Training - Human error

Incorrect Calibration - Mechanical error

Different Types of Errors

_____ _____

  • Predictable

  • Biased

  • Consistent

    • Examples:

    • Faulty calibration

    • Worn out tools

    • Technicians subconscious bias

      • Example Scenarios:

      • Calibration of pH meter (due to not having training available for it

Random Error

  • Unpredictable

    • Examples:

    • Environmental factors (air, moisture)

    • Increase replication

      • Example Scenarios:

      • Fluctuation of results (inc/dec)

      • Slight variation of pipette volume (due to human shaking/ human error)

Gross Error

  • Major mistake

  • Always double check data entries (if theres a chip in the pipette etc)

    • Examples:

    • Spills

    • Breakages

    • Incorrect calculations

      • Example Scenarios:

      • Mislabeling of tubes

4
New cards

Predictable

Lack of Training - Human error

Incorrect Calibration - Mechanical error

Different Types of Errors

Systematic Error

  • ______

  • Biased

  • Consistent

    • Examples:

    • Faulty calibration

    • Worn out tools

    • Technicians subconscious bias

      • Example Scenarios:

      • Calibration of pH meter (due to not having training available for it

Random Error

  • Unpredictable

    • Examples:

    • Environmental factors (air, moisture)

    • Increase replication

      • Example Scenarios:

      • Fluctuation of results (inc/dec)

      • Slight variation of pipette volume (due to human shaking/ human error)

Gross Error

  • Major mistake

  • Always double check data entries (if theres a chip in the pipette etc)

    • Examples:

    • Spills

    • Breakages

    • Incorrect calculations

      • Example Scenarios:

      • Mislabeling of tubes

5
New cards

Biased

Lack of Training - Human error

Incorrect Calibration - Mechanical error

Different Types of Errors

Systematic Error

  • Predictable

  • _____

  • Consistent

    • Examples:

    • Faulty calibration

    • Worn out tools

    • Technicians subconscious bias

      • Example Scenarios:

      • Calibration of pH meter (due to not having training available for it

Random Error

  • Unpredictable

    • Examples:

    • Environmental factors (air, moisture)

    • Increase replication

      • Example Scenarios:

      • Fluctuation of results (inc/dec)

      • Slight variation of pipette volume (due to human shaking/ human error)

Gross Error

  • Major mistake

  • Always double check data entries (if theres a chip in the pipette etc)

    • Examples:

    • Spills

    • Breakages

    • Incorrect calculations

      • Example Scenarios:

      • Mislabeling of tubes

6
New cards

Consistent

Lack of Training - Human error

Incorrect Calibration - Mechanical error

Different Types of Errors

Systematic Error

  • Predictable

  • Biased

  • _____

    • Examples:

    • Faulty calibration

    • Worn out tools

    • Technicians subconscious bias

      • Example Scenarios:

      • Calibration of pH meter (due to not having training available for it

Random Error

  • Unpredictable

    • Examples:

    • Environmental factors (air, moisture)

    • Increase replication

      • Example Scenarios:

      • Fluctuation of results (inc/dec)

      • Slight variation of pipette volume (due to human shaking/ human error)

Gross Error

  • Major mistake

  • Always double check data entries (if theres a chip in the pipette etc)

    • Examples:

    • Spills

    • Breakages

    • Incorrect calculations

      • Example Scenarios:

      • Mislabeling of tubes

7
New cards

Faulty calibration/ worn out tools/ technicians subconscious bias

Lack of Training - Human error

Incorrect Calibration - Mechanical error

Different Types of Errors

Systematic Error

  • Predictable

  • Biased

  • Consistent

    • Examples:

    • _____ ____

    • ____ ____ _____

    • ______ ___ _____

      • Example Scenarios:

      • Calibration of pH meter (due to not having training available for it

Random Error

  • Unpredictable

    • Examples:

    • Environmental factors (air, moisture)

    • Increase replication

      • Example Scenarios:

      • Fluctuation of results (inc/dec)

      • Slight variation of pipette volume (due to human shaking/ human error)

Gross Error

  • Major mistake

  • Always double check data entries (if theres a chip in the pipette etc)

    • Examples:

    • Spills

    • Breakages

    • Incorrect calculations

      • Example Scenarios:

      • Mislabeling of tubes

8
New cards

Spills/ breakages/ incorrect calculations

Lack of Training - Human error

Incorrect Calibration - Mechanical error

Different Types of Errors

Systematic Error

  • Predictable

  • Biased

  • Consistent

    • Examples:

    • Faulty calibration

    • Worn out tools

    • Technicians subconscious bias

      • Example Scenarios:

      • Calibration of pH meter (due to not having training available for it

Random Error

  • Unpredictable

    • Examples:

    • Environmental factors (air, moisture)

    • Increase replication

      • Example Scenarios:

      • Fluctuation of results (inc/dec)

      • Slight variation of pipette volume (due to human shaking/ human error)

Gross Error

  • Major mistake

  • Always double check data entries (if theres a chip in the pipette etc)

    • Examples:

    • ______

    • ______

    • _____ _______

      • Example Scenarios:

      • Mislabeling of tubes

9
New cards

Major mistake

Lack of Training - Human error

Incorrect Calibration - Mechanical error

Different Types of Errors

Systematic Error

  • Predictable

  • Biased

  • Consistent

    • Examples:

    • Faulty calibration

    • Worn out tools

    • Technicians subconscious bias

      • Example Scenarios:

      • Calibration of pH meter (due to not having training available for it

Random Error

  • Unpredictable

    • Examples:

    • Environmental factors (air, moisture)

    • Increase replication

      • Example Scenarios:

      • Fluctuation of results (inc/dec)

      • Slight variation of pipette volume (due to human shaking/ human error)

Gross Error

  • _____ _____

  • Always double check data entries (if theres a chip in the pipette etc)

    • Examples:

    • Spills

    • Breakages

    • Incorrect calculations

      • Example Scenarios:

      • Mislabeling of tubes

10
New cards

Double check

Lack of Training - Human error

Incorrect Calibration - Mechanical error

Different Types of Errors

Systematic Error

  • Predictable

  • Biased

  • Consistent

    • Examples:

    • Faulty calibration

    • Worn out tools

    • Technicians subconscious bias

      • Example Scenarios:

      • Calibration of pH meter (due to not having training available for it

Random Error

  • Unpredictable

    • Examples:

    • Environmental factors (air, moisture)

    • Increase replication

      • Example Scenarios:

      • Fluctuation of results (inc/dec)

      • Slight variation of pipette volume (due to human shaking/ human error)

Gross Error

  • Major mistake

  • Always ____ _______ data entries (if theres a chip in the pipette etc)

    • Examples:

    • Spills

    • Breakages

    • Incorrect calculations

      • Example Scenarios:

      • Mislabeling of tubes

11
New cards

Gross error

Lack of Training - Human error

Incorrect Calibration - Mechanical error

Different Types of Errors

Systematic Error

  • Predictable

  • Biased

  • Consistent

    • Examples:

    • Faulty calibration

    • Worn out tools

    • Technicians subconscious bias

      • Example Scenarios:

      • Calibration of pH meter (due to not having training available for it

Random Error

  • Unpredictable

    • Examples:

    • Environmental factors (air, moisture)

    • Increase replication

      • Example Scenarios:

      • Fluctuation of results (inc/dec)

      • Slight variation of pipette volume (due to human shaking/ human error)

_______ ______

  • Major mistake

  • Always double check data entries (if theres a chip in the pipette etc)

    • Examples:

    • Spills

    • Breakages

    • Incorrect calculations

      • Example Scenarios:

      • Mislabeling of tubes

12
New cards

Environmental factors/ increase replication

Lack of Training - Human error

Incorrect Calibration - Mechanical error

Different Types of Errors

Systematic Error

  • Predictable

  • Biased

  • Consistent

    • Examples:

    • Faulty calibration

    • Worn out tools

    • Technicians subconscious bias

      • Example Scenarios:

      • Calibration of pH meter (due to not having training available for it

Random Error

  • Unpredictable

    • Examples:

    • _____ ________

    • ______ ______

      • Example Scenarios:

      • Fluctuation of results (inc/dec)

      • Slight variation of pipette volume (due to human shaking/ human error)

Gross Error

  • Major mistake

  • Always double check data entries (if theres a chip in the pipette etc)

    • Examples:

    • Spills

    • Breakages

    • Incorrect calculations

      • Example Scenarios:

      • Mislabeling of tubes

13
New cards

Unpredictable

Lack of Training - Human error

Incorrect Calibration - Mechanical error

Different Types of Errors

Systematic Error

  • Predictable

  • Biased

  • Consistent

    • Examples:

    • Faulty calibration

    • Worn out tools

    • Technicians subconscious bias

      • Example Scenarios:

      • Calibration of pH meter (due to not having training available for it

Random Error

  • ________

    • Examples:

    • Environmental factors (air, moisture)

    • Increase replication

      • Example Scenarios:

      • Fluctuation of results (inc/dec)

      • Slight variation of pipette volume (due to human shaking/ human error)

Gross Error

  • Major mistake

  • Always double check data entries (if theres a chip in the pipette etc)

    • Examples:

    • Spills

    • Breakages

    • Incorrect calculations

      • Example Scenarios:

      • Mislabeling of tubes

14
New cards

Random error

Lack of Training - Human error

Incorrect Calibration - Mechanical error

Different Types of Errors

Systematic Error

  • Predictable

  • Biased

  • Consistent

    • Examples:

    • Faulty calibration

    • Worn out tools

    • Technicians subconscious bias

      • Example Scenarios:

      • Calibration of pH meter (due to not having training available for it

______ _____

  • Unpredictable

    • Examples:

    • Environmental factors (air, moisture)

    • Increase replication

      • Example Scenarios:

      • Fluctuation of results (inc/dec)

      • Slight variation of pipette volume (due to human shaking/ human error)

Gross Error

  • Major mistake

  • Always double check data entries (if theres a chip in the pipette etc)

    • Examples:

    • Spills

    • Breakages

    • Incorrect calculations

      • Example Scenarios:

      • Mislabeling of tubes

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