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Total 99 questions

Clinical Trials Programming Using SAS 9 Questions and Answers

Question 1

Which statement correctly adds a label to the data set?

Options:

A.

DATA two Label="Subjects having duplicate observations";

set one;

run;

B.

DATA two;

Label="Subjects having duplicate observations";

set one;

run;

C.

DATA two;

set one;

Label dataset="Subjects having duplicate observations";

run;

D.

DATA two(Label="Subjects having duplicate observations");

set one;

run;

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Question 2

This question will ask you to provide a line of missing code.

Which line of code would produce the blue notes in the log?

Options:

A.

if indm ne indisp then output 'MERGE ISSUE: ' subjid indm indisp ;

B.

if indm ne indisp then put 'MERGE ISSUE: ' subjid= indm= indisp=;

C.

%if indm ne indisp %then %put 'MERGE ISSUE: ' subjid= indm= indisp=;

D.

if indm ne indisp then put 'MERGE ISSUE: ' _all_ ;

Question 3

The following SAS program is submitted:

How many data sets are created and how many observations are in the data set(s)?

Options:

A.

1 data set named PVALUES with 1 observation.

B.

1 data set named PVALUES with 2 observations.

C.

2 data sets named PVALUES and PVALUES1 each with 1 observation.

D.

2 data sets named PVALUES1 and PVALUES2 each with 2 observations

Question 4

A report that you are working on will require the following header lines:

Which code adds the second line of the header "Adverse Events"?

Options:

A.

header2 'Adverse Events';

B.

header2 = 'Adverse Events';

C.

title2 = 'Adverse Events';

D.

title2 'Adverse Events';

Question 5

The following SAS program is submitted:

What will be the result when the program executes?

Options:

A.

num3 assigned a missing value

B.

num3 assigned a value of 0

C.

num3 assigned a value of 1

D.

An error due to mixed variable types in the assignment statement.

Question 6

Given the following two data sets EX and AE:

Which output data set is produced by the submitted SAS program?

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Question 7

A patient received at least one dose of study medication prior to withdrawing from a study. Which analysis population would always include this patient?

Options:

A.

efficacy

B.

intent to treat

C.

per protocol

D.

safety

Question 8

This question will ask you to provide a line of missing code.

The following SAS program is submitted:

Which statement is required to produce this output?

Options:

A.

TABLES site*group /nocol;

B.

TABLES site*group /norow;

C.

TABLES site*group;

D.

TABLES site*group /nocol norow;D. TABLES site*group /nocol norow;

Question 9

A SAS report procedure results in the log below.

What should you add to the PROC REPORT to address the blue note in this log?

Options:

A.

Use DEFINE statements with the WIDTH= option set large enough to print all values for each variable

B.

Specify COLWIDTH= option with a value large enough to print all values in the data

C.

Use DEFINE statements where FLOW is specified for each numeric variable

D.

Use a FORMAT statement with formats large enough to print all values for each numeric variable

Question 10

Given the following data set DEMOG:

Which selection below would be considered hard-coding?

Options:

A.

if sexcd eq 1 then sex = "Male" ;

else if sexcd eq 2 then sex = "Female" ;

B.

if site eq 1 then sexcd = 2 ;

else if site eq 2 then sexcd = 1 ;

C.

if site eq 1 and sexcd ne 2 then check = 1 ;

else if site eq 2 and sexcd ne 1 then check = 2 ;

D.

birthdt = input(dob, mmddyy10.) ;

Question 11

The following SAS program is submitted:

What is the value of the variable day when the data step completes?

Options:

A.

1

B.

6

C.

7

D.

8

Question 12

Given the following demographic dataset:

Which program will generate a report where observations will appear in order by SITE SUBJECT and display column headers for each variable defined in the column statement?

Options:

A.

Proc Report ;

column site subject trt age gender race ;

define site/'Site', subject/'Subject',

trt/'Treatment', age/'Age', gender/'Gender',

race/'Race' ;

run;

B.

Proc Report ;

column site subject trt age gender race ;

define site, subject, trt, age, gender, race ;

by site subject ;

title 'Site Subject Treatment Age Gender Race' ;

run;

C.

Proc Report ;

column site subject trt age gender race ;

define site/order 'Site' ;

define subject/order 'Subject' ;

define trt/'Treatment' ;

define age/'Age' ;

define gender/'Gender' ;

define race/'Race' ;

run;

D.

Proc Report ;

column site subject trt age gender race ;

define site/order style(header)={'Site'} ;

define subject/order style(header)={'Subject'} ;

define trt/style(header)={'Treatment'} ;

define age/style(header)={'Age'} ;

define gender/style(header)={'Gender'} ;

define race/style(header)={'Race'} ;

run;

Question 13

Given the following partial output data set:

Which code was used to create AGECAT?

Options:

A.

if age <18 then AGECAT=1;

if 18<=AGE<=40 then AGECAT=2;

else AGECAT=3;

B.

if age <=18 then do AGECAT=1;

else if 18

else do AGECAT=3;

C.

if age <18 then AGECAT=1;

else if 18<=AGE<=40 then AGECAT=2;

else AGECAT=3;

D.

if age <=18 then AGECAT=1;

else if 18

else AGECAT=3;

Question 14

A Treatment-Emergent Adverse Event (TEAE) is commonly defined as any event that occurs on or after the date and time of:

Options:

A.

informed consent

B.

baseline assessment

C.

study enrollment

D.

first dose of study drug

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Total 99 questions