Time Predictions : Understanding and Avoiding Unrealism in Project Planning and Everyday Life / by Torleif Halkjelsvik, Magne Jørgensen

By:

Halkjelsvik, Torleif [VerfasserIn]

Contributor(s):

Jørgensen, Magne [VerfasserIn]

Resource type: Ressourcentyp: Buch (Online)Book (Online)Language: English Series: Springer eBook Collection | SpringerLink Bücher | Simula SpringerBriefs on computing ; 5Publisher: Cham : Springer International Publishing, 2018Description: Online-Ressource (XII, 110 p. 12 illus., 11 illus. in color, online resource)ISBN:

9783319749532

Subject(s):

Additional physical formats: 9783319749525 | Erscheint auch als: Time predictions. Druck-Ausgabe Cham, Switzerland : Springer Open, 2018. xii, 110 SeitenDDC classification:

330.01
330 23

RVK: RVK: QP 360LOC classification:

HB71-74

DOI: DOI: 10.1007/978-3-319-74953-2Online resources:

Summary: This book is published open access under a CC BY 4.0 license. Predicting the time needed to complete a project, task or daily activity can be difficult and people frequently underestimate how long an activity will take. This book sheds light on why and when this happens, what we should do to avoid it and how to give more realistic time predictions. It describes methods for predicting time usage in situations with high uncertainty, explains why two plus two is usually more than four in time prediction contexts, reports on research on time prediction biases, and summarizes the evidence in support of different time prediction methods and principles. Based on a comprehensive review of the research, it is the first book summarizing what we know about judgment-based time predictions. Large parts of the book are directed toward people wishing to achieve better time predictions in their professional life, such as project managers, graphic designers, architects, engineers, film producers, consultants, software developers, or anyone else in need of realistic time usage predictions. It is also of benefit to those with a general interest in judgment and decision-making or those who want to improve their ability to predict and plan ahead in daily lifeSummary: Preface -- 1. Introduction: 1.1 A prediction success -- 1.2 Prediction disasters -- 2. How we Predict Time Usage: 2.1 Mental time travel -- 2.2 How did you make that prediction? -- 2.3 Time predictions are everywhere -- 2.4 How good are we at predicting time? -- 3. Predictions and the Uncertainty of the Future: 3.1 Precisely wrong or roughly right? -- 3.2 Communication of time predictions -- 3.3 Probability-based time predictions -- 3.4 Right-skewed time distributions -- 3.5 Relearning to add: 2 + 2 is usually more than 4 -- 3.6 How to predict the mean time usage -- 3.7 How time predictions affect performance -- 4. Overoptimistic Predictions: 4.1 Optimism, overoptimism, and overoptimistic predictions -- 4.2 The benefits of overoptimism -- 4.3 The desire to control time -- 4.4 Motivation to make accurate time usage predictions -- 4.5 Selection bias -- 4.6 Deception -- 4.7 Who makes the most realistic time predictions? -- 5. Time Prediction Biases: 5.1 The team scaling fallacy -- 5.2 Anchoring -- 5.3 Sequence effects -- 5.4 Format effects -- 5.5 The magnitude effect -- 5.6 Length of task description -- 5.7 The time unit effect -- 6. Uncertainty of Time Predictions: 6.1 Why are we overconfident? -- 6.2 What can we do to avoid overconfidence? -- 6.2.1 The use of alternative interval prediction formats -- 6.2.2 Learning from accuracy feedback -- 7. Time Prediction Methods and Principles: 7.1 Unpacking and decomposition -- 7.2 Analogies -- 7.3 Relative predictions -- 7.4 Time prediction models -- 7.5 Consider alternative futures -- 7.6 Combinations of time predictions -- 7.7 Let other people make the prediction? -- 7.8 Removing irrelevant and misleading information -- 7.9 From Fibonacci to t-shirt sizes: Time predictions using alternative scales -- 8. Time Predictions: Matching the Method to the Situation -- 9. How to Obtain Overoptimistic Time Predictions from OthersPPN: PPN: 1015095089Package identifier: Produktsigel: ZDB-2-ECF | ZDB-2-SOB | ZDB-2-SXEF | ZDB-2-SEB

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