SCDM Database Design and Development 3

Question 1

What is the purpose of an 'audit trail' in a validated clinical database?

Accepted Answer

To maintain a time-stamped, user-attributed record of all data creation and modifications

Answer

To log all user login attempts and session durations

Answer

To track site performance metrics across the study

Answer

To document all protocol amendments and IRB approvals

Question 2

In SDTM, what is a 'domain'?

Accepted Answer

A standardized dataset containing related observations of a specific type (e.g., demographics, adverse events)

Answer

A geographic region grouping clinical trial sites

Answer

A category of edit checks applied to a specific CRF module

Answer

A type of electronic signature used in regulatory submissions

Question 3

What is the purpose of a 'data transfer agreement' (DTA) in multi-site clinical trials?

Accepted Answer

To define the format, frequency, and responsibility for transferring data between systems or organizations

Answer

To authorize sites to access the central EDC system

Answer

To document subject consent for electronic data collection

Answer

To specify the statistical methods for pooled data analysis

Question 4

Which term describes the process of assigning a unique identifier to each subject in a clinical trial database?

Accepted Answer

Subject identification coding

Answer

Randomization assignment

Answer

Data blinding

Answer

CRF numbering

Question 5

What is a 'SAS transport file' (.xpt) used for in clinical data submissions?

Accepted Answer

A standardized file format required by the FDA for submitting SDTM and ADaM datasets

Answer

A backup format for EDC database exports

Answer

A format for transferring CRF images between sites

Answer

A format used to store randomization codes securely

Question 6

What is the purpose of a 'define.xml' document in regulatory submissions?

Accepted Answer

To provide metadata describing the datasets, variables, value lists, and code lists in the submission package

Answer

To define the XML schema used by the EDC vendor

Answer

To document all edit check specifications for the trial database

Answer

To specify data encryption standards for the submission portal