SCDM Data Reconciliation and Validation 2

Question 1

What is the purpose of a 'soft edit' (or soft stop) in an EDC system?

Accepted Answer

To allow data entry to continue after the user acknowledges a potential issue

Answer

To permanently block invalid data from being entered

Answer

To automatically delete duplicate records

Answer

To encrypt sensitive patient data during transmission

Question 2

Patient profile reviews during data validation are primarily conducted to:

Accepted Answer

Identify data anomalies or patterns at the subject level that edit checks may miss

Answer

Assign subjects to treatment groups

Answer

Generate financial invoices for site payments

Answer

Review investigator credentials and training records

Question 3

Which activity is performed as part of 'external data reconciliation' in a clinical trial?

Accepted Answer

Matching data in the clinical database against data from third-party vendors such as labs or IRT

Answer

Comparing CRF data entered by two different data entry operators

Answer

Reviewing audit trails within the EDC system

Answer

Validating the statistical programming code

Question 4

A cross-form validation check would flag an error if:

Accepted Answer

A subject's adverse event start date precedes the date of informed consent

Answer

A numeric value falls outside the normal reference range

Answer

A mandatory field is left blank

Answer

A date field is entered in the wrong format

Question 5

What is 'database lock' in clinical data management?

Accepted Answer

The formal process of restricting further edits to the clinical database after data cleaning is complete

Answer

Encrypting the database with a password to prevent unauthorized access

Answer

A system failure that prevents data entry for a period of time

Answer

Archiving individual subject data files at study end

Question 6

What is the key difference between data validation and data verification in clinical data management?

Accepted Answer

Validation checks data accuracy and integrity using rules; verification confirms data was transcribed correctly from source documents

Answer

Validation ensures data is collected; verification ensures it is encrypted

Answer

Validation is performed by biostatisticians; verification is performed by monitors

Answer

Validation occurs before enrollment; verification occurs after database lock

Question 7

In an audit trail review during data reconciliation, which of the following would be considered a red flag?

Accepted Answer

A value changed multiple times without associated queries or explanations

Answer

A field corrected by the site after receiving a data query

Answer

A date format standardized by the system automatically

Answer

A missing field that was completed after site monitoring