I conduct an online study to determine whether rewards reduce procrastination. All participants are asked to complete a task sometime before a deadline (10 days from now). The computer randomly assigns partici one of three groups, and emails them their instructions; one group receives a reward as soon as they do the task (contingent reward); a second group receives rewards as soon as they finish the task as long as it is b deadline (non-contingent reward) and the third group does not receive rewards at all (no reward). Three participants in the no reward condition do not complete the task, and so are dropped from analyses. The depe variable is the amount of time (in days) it takes participants to complete the task. The JAMOVI output is attached. What are possible threats to internal validity in this study (select all that apply)? ANOVA ANOVA-Time Reward Residuals Sum of Squares df Mean Square F 68.852 2 125.814 24 Assumption Checks Homogeneity of Variances Test (Levene's) Р n'p 34426 6.567 0.005 0.354 5.242

I conduct an online study to determine whether rewards reduce procrastination. All participants are asked to complete a task sometime before a deadline (10 days from now). The computer randomly assigns partici one of three groups, and emails them their instructions; one group receives a reward as soon as they do the task (contingent reward); a second group receives rewards as soon as they finish the task as long as it is b deadline (non-contingent reward) and the third group does not receive rewards at all (no reward). Three participants in the no reward condition do not complete the task, and so are dropped from analyses. The depe variable is the amount of time (in days) it takes participants to complete the task. The JAMOVI output is attached. What are possible threats to internal validity in this study (select all that apply)? ANOVA ANOVA-Time Reward Residuals Sum of Squares df Mean Square F 68.852 2 125.814 24 Assumption Checks Homogeneity of Variances Test (Levene's) Р n'p 34426 6.567 0.005 0.354 5.242

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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q10
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