Preface |
|
xvii | |
Introduction |
|
xxix | |
|
Chapter 1 Why Voice First |
|
|
1 | (4) |
|
|
1 | (1) |
|
|
2 | (1) |
|
|
2 | (1) |
|
|
2 | (1) |
|
|
3 | (1) |
|
|
3 | (1) |
|
|
4 | (1) |
|
|
4 | (1) |
|
Chapter 2 When Voice First |
|
|
5 | (6) |
|
|
5 | (1) |
|
|
6 | (1) |
|
|
7 | (1) |
|
|
8 | (1) |
|
|
8 | (3) |
|
Chapter 3 Why Voice First Automation |
|
|
11 | (6) |
|
|
11 | (1) |
|
|
12 | (1) |
|
Increase Customer Satisfaction |
|
|
12 | (1) |
|
Increase Agent Satisfaction |
|
|
13 | (1) |
|
|
14 | (1) |
|
|
14 | (1) |
|
Facilitate Task Completion |
|
|
15 | (1) |
|
|
15 | (1) |
|
|
16 | (1) |
|
Chapter 4 The Three Core Characteristics of the VUI |
|
|
17 | (6) |
|
|
18 | (1) |
|
|
19 | (1) |
|
|
20 | (3) |
|
Chapter 5 The Elements of Conversation |
|
|
23 | (14) |
|
The Ontology of Conversations |
|
|
25 | (2) |
|
The Conversational Actions |
|
|
27 | (4) |
|
The Conversational States |
|
|
31 | (1) |
|
The Internal Conversational Context |
|
|
31 | (1) |
|
|
32 | (5) |
|
Chapter 6 The Rules of Conversation |
|
|
37 | (10) |
|
The Cooperative Principle |
|
|
40 | (2) |
|
|
42 | (1) |
|
|
42 | (1) |
|
|
43 | (1) |
|
|
44 | (3) |
|
Chapter 7 The Basic Tenets |
|
|
47 | (6) |
|
The Voicebot Is Not a Human |
|
|
47 | (1) |
|
The Voicebot Should Be as Smart as the Data It Has---and No More! |
|
|
48 | (2) |
|
The Voicebot Should Be Consistent |
|
|
50 | (1) |
|
The Voicebot Should Be Transparent |
|
|
50 | (1) |
|
The Voicebot Should Behave Respectfully |
|
|
51 | (2) |
|
Chapter 8 The Extra-Conversational Context |
|
|
53 | (10) |
|
|
54 | (3) |
|
|
57 | (1) |
|
|
58 | (1) |
|
|
59 | (1) |
|
|
60 | (1) |
|
|
61 | (2) |
|
Chapter 9 The UI Use Case Fit |
|
|
63 | (6) |
|
|
65 | (1) |
|
|
66 | (3) |
|
Chapter 10 The Elements of Starting |
|
|
69 | (6) |
|
|
69 | (1) |
|
|
69 | (1) |
|
Drop the "Welcome to ..." |
|
|
70 | (1) |
|
Never Ever Say, "Please Listen Carefully as Our Options Have Changed" |
|
|
70 | (1) |
|
Have the Voicebot Refer to Itself in the First Person |
|
|
71 | (1) |
|
Drop "You Can Interrupt Me at Any Time" |
|
|
71 | (1) |
|
Keep the Origination Context in Mind |
|
|
71 | (1) |
|
Remember the User's Preferences |
|
|
72 | (1) |
|
Anticipate User-Specific Requests |
|
|
72 | (1) |
|
Anticipate General User-Base Requests |
|
|
73 | (2) |
|
Chapter 11 The Elements of Prompting |
|
|
75 | (8) |
|
|
75 | (1) |
|
Writing Effective Prompts |
|
|
76 | (7) |
|
|
83 | (6) |
|
Present the Most Requested Items First |
|
|
83 | (1) |
|
Keep the Menu List to Three Items or Less |
|
|
83 | (1) |
|
Keep the Menu Depth to Three Levels or Less |
|
|
84 | (1) |
|
Avoid the Construction of "for/to X, Say X; for/to Y, Say Y; for/to Z, Say Z" |
|
|
84 | (1) |
|
Don't Use, "Please Select from the Following Options" |
|
|
84 | (1) |
|
Use the Same Part of Speech/Clausal Form When Listing Menu Options |
|
|
85 | (1) |
|
Let Users Ask, "What Are My Choices?" |
|
|
85 | (1) |
|
Let Users "Climb Back" the Menu |
|
|
85 | (1) |
|
Offer to Repeat the Menu Options After a 3-Second Pause |
|
|
86 | (1) |
|
Turn on Barge-In for Expert Users |
|
|
86 | (1) |
|
Include and Teach Shortcuts |
|
|
87 | (2) |
|
Chapter 13 Managing Failure |
|
|
89 | (14) |
|
|
89 | (1) |
|
|
90 | (2) |
|
|
92 | (5) |
|
Chapter 14 Help Strategies |
|
|
97 | (1) |
|
Tell the User That Help Is Available |
|
|
97 | (1) |
|
Detect When the User Needs Help |
|
|
98 | (1) |
|
|
98 | (1) |
|
Return from Where You Left Off After Giving Help |
|
|
99 | (1) |
|
Be Concise and Specific with Your Help |
|
|
100 | (1) |
|
Use Context to Guide Your Explanations |
|
|
100 | (1) |
|
Illustrate Your Explanations with Examples |
|
|
101 | (1) |
|
Offer Help Only When It Is Needed |
|
|
101 | (2) |
|
Chapter 15 Verbal Dialogue Marking |
|
|
103 | (8) |
|
Acknowledge Receipt of Information |
|
|
105 | (1) |
|
Announce That the User Is About to Receive Some Information |
|
|
106 | (1) |
|
|
106 | (1) |
|
Mark the Beginning and End of a Section |
|
|
107 | (1) |
|
|
107 | (1) |
|
Show Light at the End of the Tunnel |
|
|
108 | (1) |
|
Indicate Implicitly That the Voicebot Still Owns the Turn |
|
|
108 | (1) |
|
Tell the User Explicitly That They Are Being Placed on Hold |
|
|
109 | (1) |
|
Don't Repeat the Same Marker Twice in a Row |
|
|
109 | (1) |
|
Pay Attention to the Markers After a Failure Strategy |
|
|
110 | (1) |
|
Chapter 16 Nonverbal Dialogue Marking |
|
|
111 | (6) |
|
|
111 | (2) |
|
|
113 | (1) |
|
Signaling That It's the User's Turn to Speak |
|
|
113 | (1) |
|
Signaling That the Voicebot Is Busy Doing Something and Is Holding the Turn |
|
|
113 | (1) |
|
Waiting for the User to Give an Answer |
|
|
113 | (1) |
|
|
114 | (1) |
|
Announcing a List of Choices |
|
|
114 | (1) |
|
|
114 | (1) |
|
Marking Transition from One List Item to the Next |
|
|
114 | (1) |
|
|
115 | (1) |
|
|
115 | (2) |
|
Chapter 17 Language Design |
|
|
117 | (8) |
|
|
117 | (1) |
|
|
118 | (1) |
|
Designing an Effective Language Model |
|
|
119 | (1) |
|
Clearly Define the Problems That Your Voicebot Can Help the User With |
|
|
120 | (1) |
|
Communicate Why the Voicebot Exists and What It Can Help the User Do Outside of the Voicebot |
|
|
121 | (1) |
|
Spend Time Building a Clean Ontology |
|
|
121 | (1) |
|
Do Not Design Your Language from the Armchair |
|
|
122 | (1) |
|
Go Explicit When Recovering from a Language Error |
|
|
123 | (2) |
|
|
125 | (8) |
|
|
126 | (1) |
|
Between Options in a Menu List |
|
|
126 | (1) |
|
Between Categories of Options |
|
|
127 | (1) |
|
When Interacting with Power Users |
|
|
127 | (1) |
|
|
128 | (1) |
|
Before and After TTS Prompts |
|
|
129 | (4) |
|
Chapter 19 The Elements of Closing |
|
|
133 | (6) |
|
Allow the Users to Explicitly End the Dialogue |
|
|
134 | (1) |
|
Allow the User to Request a Human |
|
|
134 | (1) |
|
When the User Has to Wait, Provide a Waiting Time Estimate |
|
|
134 | (1) |
|
Provide the Option to Cancel a Transfer to a Human |
|
|
135 | (1) |
|
Keep the "While-You-Wait" Audio Relevant |
|
|
135 | (1) |
|
Understand the User's State of Mind When You Play the "While-You-Wait" Audio |
|
|
135 | (1) |
|
Never Say, "Your Call Is Important to Us" |
|
|
136 | (1) |
|
Don't Make the User Repeat to the Human Information They Provided to the Voicebot |
|
|
136 | (1) |
|
Make the Human Agent Aware That the Customer Was Interacting with the Voicebot |
|
|
137 | (1) |
|
Avoid Transferring Users from One Voicebot to Another |
|
|
137 | (1) |
|
Don't Play Phone Rings Unless You Are Transferring Directly to a Human |
|
|
137 | (1) |
|
Reassure Users of Success |
|
|
137 | (1) |
|
Don't Provide Any Crucial New Information |
|
|
138 | (1) |
|
Give the User a Quick Tip |
|
|
138 | (1) |
|
|
138 | (1) |
|
Chapter 20 Voice First Notifications |
|
|
139 | (8) |
|
Fundamental Considerations |
|
|
140 | (1) |
|
Key Notification Attributes |
|
|
140 | (2) |
|
|
142 | (1) |
|
|
143 | (2) |
|
|
145 | (2) |
|
Chapter 21 Laying Out the Foundations |
|
|
147 | (8) |
|
Bring Together All the Key Players |
|
|
148 | (1) |
|
Define the Business Goals |
|
|
149 | (1) |
|
Define User Needs and Intent |
|
|
150 | (2) |
|
Define the Voicebot's Voice Register |
|
|
152 | (3) |
|
Chapter 22 The Key to Successful Product Launches |
|
|
155 | (8) |
|
Write Everything Out in Full Sentences |
|
|
157 | (1) |
|
Your Press Release Needs to Be Crystal Clear |
|
|
157 | (1) |
|
Your Answers Are Given in One or Two Paragraphs at Most, and Not Much More |
|
|
158 | (1) |
|
Answer the Basic Questions First |
|
|
158 | (1) |
|
Describe Clearly the Research You Have Done |
|
|
159 | (1) |
|
Be Modest and Cautious in Your Claims and Statements |
|
|
159 | (1) |
|
Make Your Document Readable by Everyone |
|
|
159 | (1) |
|
List the Functional Requirements in Terms of What the User Can Do |
|
|
160 | (1) |
|
Describe the Intended Minimum Viable Product (MVP) in Detail |
|
|
160 | (3) |
|
Chapter 23 The Elements of Deployment |
|
|
163 | (12) |
|
|
163 | (2) |
|
|
165 | (1) |
|
|
166 | (1) |
|
|
167 | (1) |
|
|
168 | (1) |
|
|
169 | (3) |
|
|
172 | (3) |
|
Chapter 24 Post-Launch Monitoring |
|
|
175 | (8) |
|
|
176 | (1) |
|
|
177 | (6) |
|
Chapter 25 The Elements of Voice First Success |
|
|
183 | (4) |
|
|
184 | (1) |
|
|
184 | (1) |
|
Average Number of Failures per Session |
|
|
184 | (1) |
|
Average Number of Failures per Task |
|
|
185 | (1) |
|
Average Task Completion Time |
|
|
185 | (1) |
|
|
185 | (1) |
|
First-Use Resolution Rate |
|
|
185 | (1) |
|
|
186 | (1) |
|
|
186 | (1) |
|
|
186 | (1) |
|
|
187 | (20) |
|
A The 10 Sources of Voice First Failures! |
|
|
193 | (2) |
|
B Demonstrating Voice First |
|
|
195 | (6) |
|
|
201 | (6) |
A Voice First Glossary |
|
207 | (12) |
References |
|
219 | (8) |
Index |
|
227 | |