Validity- does the variable accurately reflect the phenomenon you are trying to measure. Reliability- does the indicator consistently assign the same number. Cross-sectional data- no time/multiple entries. Panel data set- multiple entries/over time. Time series-one entry/time. Population: the total set of items or people that a researcher is interested in studying. Sample: a subset of the population- random or nonrandom. Goal is to be representative of population.Criteria for evaluating causal relationships
Premium Normal distribution Standard deviation Statistics
Where Dx is the actual delay by the candidate base station and DTH is threshold delay. The normalized function for bandwidth (BW) is given by N_BW=B_x/B_max Where Bx is the required bandwidth of the mobile station and Bmax is the maximum bandwidth that can be provided by the base station. The normalized function for cost N_c=1-C_x/C_TH Where Cx is the operating cost of the network to which the candidate base station belongs to‚ CTH
Premium Wireless network Mobile phone GSM
Chapter 4: (4-9) Find the following values‚ using the equations‚ and then work the problems using a financial calculator to check your answers. Disregard rounding differences. a. An initial $500 compounded for 1 year at 6% $530.00 b. An initial $500 compounded for 2 years at 6% $561.80 c. The present value of $500 due in 1 year at a discount rate of 6% $471.70 d. The present value of $500 due in 2 years at a discount rate of 6% $445.00 (4-11) To the closest year‚ how long
Premium Time Investment Finance
Conclusion Report for Immigration Research Question: The purpose of this social science research was to indicate and answer the imposing research question of “What are the factors and motivations an individual considers when choosing a country to move to?” After conducting a questionnaire and using other reliable sources to collect primary and secondary data‚ I can confirm that from the data we gathered that my hypothesis that the factors and motivations which an individual considers consists of
Premium Spain Immigration Emigration
Concentration Camps I chose this topic because I felt like I would be really interested in it. I had already started to research in other classes and I knew that this topic would suit me well. I also thought that there would be a lot of information on it; therefore it would be easy to research. Essential Question: What were the main aspects of the Death/Concentration Camps? Research questions: How many people were affected by the camps? In 1933‚ there were approximately nine million Jews that lived in
Premium Nazi Germany The Holocaust Germany
once • Works hard • Uses time well to finish any assignments • Bends towards paper more than others • Seems content most of the time but always stiff in some sort of way • Very organized compared to most teens • Answers most questions posed by teacher‚ more in classes that are her grade • Punctual • Stays still mostly and only moves when the movement has an obvious purpose (no leg shaking‚ playing with pen‚ twisting hair with finger‚ just to twist etc.) • Wants to be aware
Premium Psychology Judgment ACT
Shalena Millward V. Duarte Psychology 211 16 April 2013 Internet Assignment Chapter 1 what is abnormal behavior? psychology.about.com › ... › Abnormal Psychology Abnormal psychology is a study which defines‚ give details about why it happens‚ tries to calculate violence and hazardous behavior‚ and tries to regulate unusual behavior. The behavior ranges from risky or unusual behavior to more unsensational and prevalent ones such as people with depression who stays in their homes. Standards
Free Mental disorder Abnormal psychology Selective serotonin reuptake inhibitor
But if this were a piece he had been playing for years‚ he would play more beautifully in the presence of his audience than if he were alone at home. Social loafing is the difference of someone’s personal performance when he is in a group or alone. Research has shown that when in a group people tend to perform at lower levels than when being rated individually (Myers‚ 2009). Harkins & others 1980 tug-of-war experiment for example proves that each contestant pulls harder when he thinks he is pulling
Premium People Performance Management
Research questions Introduction I am a student in Emirates Aviation College and I have to complete an assignment as a part of my Research project course. The topic I will be researching is “The most effective promotional methods used by Carrefour” and I am required to get the information I need through the questionnaire I have presented to you‚ this will only take a few minutes of your time. The information you give me will only be used for my assignment‚ and you as a participant will remain anonymous
Premium English-language films
drank alcohol and got behind the wheel in 2011(CDC Vital signs: Teen Drinking and Driving‚ 2012.) Teen drivers are 3 times more likely than more experienced drivers to be in a fatal crash. Drinking any alcohol greatly increases this risk for teens. Research has shown that factors that help to keep teens safe include parental involvement‚ minimum legal drinking age and zero tolerance laws‚ and graduated driver licensing systems. These proven steps can protect the lives of more young drivers and everyone
Premium Parenting styles