DOCTOR
Observe the Table DOCTOR:
DOCTOR This Table Will Be Used for the Following Questions Citing

question 66

Multiple Choice

DOCTOR
Observe the table DOCTOR:
DOCTOR
$$\begin{array} { c c c c } \text { DoctorID } & \text { Name } & \text { Date OfMDGraduation } & \text { NumberOfPatients } \\\text { D111 } & \text { John } & 1 / 1 / 1999 & 100 \\\text { D222 } & \text { Tina } & 1 / 2 / 2003 & 117 \\\text { D333 } & \text { Ellen } & 1 / 1 / 2001 & 117 \\\text { D444 } & \text { Tina } & 1 / 1 / 2003 & 144\end{array}$$

This table will be used for the following questions citing table DOCTOR.
-Table DOCTOR is:

• A)Not in 1NF
• B)In 1NF but not in 2NF
• C)In 2NF but not in 3NF
• D)In 3NF

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Definitions:

Discriminative Stimulus

A cue or signal in the environment that indicates the availability of reinforcement or punishment, guiding behavior in operant conditioning.

Operant Conditioning

An approach to learning in which behavior modification is achieved through positive reinforcement or negative punishment.

Trick or Treat

A Halloween custom for children in many countries, where they dress in costume and solicit candy or other treats door-to-door with the phrase "Trick or treat."

Cumulative Record

A graphical representation showing the total number of responses recorded over time during a behavioral observation or experiment.