Question

Effects of TV advertising Figure $4.3$displays the six treatments for a two-factor experiment on TV advertising. Suppose we have $150$students who are willing to serve as subjects. Describe how you would randomly assign the subjects to the treatments

(a) using slips of paper.

(b) using Table D.

(c) using technology.

Short answer

(a) Write numbers $1-6$on different piece of paper.

(b) Offer unique number from $001-150$to each student.

(c) Allot specific number to each student ranging from$1-150$

Step-by-step solution

Given Information

There are six treatments for a two-factor experiment on TV advertising.

There are$150$students as subjects.

To explain the allocation of slips to subjects

• Put the document of name slip in container and bend them.
• Take it out.
• Call first person and assign treatment $1$.
• Repeat the procedure till six assignment of treatment.

How to handle subjects arbitrarily with table D.

• Allocate students from $001-150$.
• Chose table and read first $25$numbers from them.
• Remove all repeats till there are $25$numbers.
• Assign them treatment $1$.
• Repeat and allot treatment $2$to other 25 numbers and likewise.

How to handle subjects arbitrarily with technology

• Delegate total number of students.
• Discard all repeats using Radiant Calculator Function.
• Give treatment $1$to first twenty five numbers.
• Repeat it likewise.