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Which of the following inputs is most appropriate for error guessing when testing a form field that expects a numeric value?

easy📝 Syntax Q3 of Q15
Testing Fundamentals - Functional Testing Techniques
Which of the following inputs is most appropriate for error guessing when testing a form field that expects a numeric value?
ALeaving the field empty
BEntering a valid number like '123'
CEntering alphabetic characters like 'abc'
DEntering a date format like '2023-01-01'
Step-by-Step Solution
Solution:

  1. Step 1: Identify Expected Input

    The field expects a numeric value.

  2. Step 2: Choose Error Guessing Input

    Inputting alphabetic characters is likely to cause an error and is a common error guessing approach.

  3. Final Answer:

    Entering alphabetic characters like 'abc' -> Option C

  4. Quick Check:

    Does the input violate expected numeric format? Yes [OK]
Quick Trick: Use invalid data types to guess errors [OK]
Common Mistakes:
MISTAKES
  • Choosing valid inputs instead of invalid ones
  • Using unrelated formats like dates for numeric fields
  • Assuming empty input is always an error

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