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Chapter 4: Q 60. (page 254)

Effects of TV advertising Figure 4.3displays the six treatments for a two-factor experiment on TV advertising. Suppose we have 150students 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

Expert verified

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

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

(c) Allot specific number to each student ranging from1-150

Step by step solution

01

Given Information

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

There are150students as subjects.

02

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.
03

How to handle subjects arbitrarily with table D.

  • Allocate students from 001-150.
  • Chose table and read first 25numbers from them.
  • Remove all repeats till there are 25numbers.
  • Assign them treatment 1.
  • Repeat and allot treatment 2to other 25 numbers and likewise.
04

How to handle subjects arbitrarily with technology

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

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