A single-case design that involves studying a single behavior in a single participant in a single situation where there is a baseline, introduction of the independent variable, then it is removed and baseline is taken a second time, is referred to as: a) ABAB reversal design b) multiple baseline design c) ABA reversal design d) across behaviors multiple baseline design
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A single-case design that involves studying a single behavior in a single participant in a single situation where there is a baseline, introduction of the independent variable, then it is removed and baseline is taken a second time, is referred to as:
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- A)indicate the independent and dependent variables for each study(if any) B)what type of research design was used(if any) C)what t-test was used to analyze the data? D) write up results in APA styleWhich of the independent variables retains the strongest association with the number of children a respondent has when all other variables in the model are controlled?Some elementary school teachers were told that a child's parents were coflege graduates, and other teachers were told that the child's parents had not finished high school; they then rated the child's academic potential. Independent Variable: Dependent Variable: 4) Workers at a company were assigned to one of two conditions: One group completed a stress management training program; another group of workers did not participate in the training. The number of sick days taken by these workers was examined for the two subsequent months. Independent Variable: Dependent Variable: 5) Students at a University were split into two groups and each received a different text for a philosophy course. Once group received a traditional text book, while the other received an interactive textbook on a tablet computer. After the course, the final exam marks between the two groups of students was compared. ndependent Variable: Dependent Variable:
- The St. Lucian Government is interested in predicting the number of weekly riders on the public buses using the following variables: • Price of bus trips ~er week • The population in the city • The monthly income of riders • Average rate to park your personal vehicle Number of weekly riders 192,000 Population of city 1,800,000 1,790,000 Price per week Monthly income of riders Average parking rates per month City $15 $5,800 $50 $6,200 $50 190,400 191,200 $15 $15 1,780,000 $6,400 $60 4 $25 $6,500 $60 177,600 176,800 1,778,000 1,750,000 1,740,000 5 $25 $6,550 $60 6. 178,400 $25 $6,580 $70 7 180,800 $25 1,725,000 $8,200 $75 175,200 174,400 $30 $30 1,725,000 $8,600 $8,800 8 $75 9. 1,720,000 $75 10 173,920 $30 1,705,000 $80 $9,200 $9,630 $10,570 $11,330 $11,600 S11,800 $11,830 $12,650 S13.000 1,710,000 1,700,000 11 172,800 163,200 $30 $80 12 $40 $80 13 161,600 $40 1,695,000 1,695,000 1,690,000 $85 14 161,600 160,800 $40 $100 15 $40 $105 1,630,000 1,640,000 1,635,000 16 159,200 $40 $105 17…Which of the independent variables retains the strongest association with the number of children a respondent has when all other variables in the model are controlled? What is that association? Which has the weakest when other variables are controlled?Is there a relationship between total team salary and the performance of football teams? For a recent season, a linear model predicting Wins (out of 16 regular season games) from the total team Salary (SM) for 32 teams in a football league is Wins = -6.353 +0.105 Salary. Complete parts a through h below. a) What is the explanatory variable? The explanatory variable is because b) What is the response variable? The response variable is because c) What does the slope mean in this context? in this league, team (Type an integer or a decimal. Do not round.) are, on average, about higher for every d) What does the y-intercept mean in this context? Is it meaningful? V is This v meaningful because it The y-intercept is the average of a team in this league whose is (Type an integer or a decimal. Do not round.) e) If one team spends $10 million more than another on salary, how many more games on average would the first team be predicted to win? O game(s) (Type an integer or a decimal. Do not…
- We have a random sample of data on women living in NSW in 2020. During the period covered by our data there were COVID lockdowns in some areas but not in other areas. These lockdowns closed schools and required all but essential workers to work from home or stay at home and not work if they could not work from home. Our data contains the following variables: hours = a woman’s number of hours of work per week kids = a woman’s number of children living at home lockdown = a dummy variable equal to one if the woman is living in an area under a lockdown order and 0 is she is living in an area not locked down. We consider the model: hours = β0 + β1lockdown + β2kids + β3lockdown∗kids + u Which of the following measures the effect of the number of children on hours of work for women living in areas that were locked down? a) β0 b) β2 c) β2 + β3 d) β3 e) none of the other possible answers are correctA statistical program is recommended. A company provides maintenance service for water-filtration systems throughout southern Florida. Customers contact the company with requests for maintenance service on their water-filtration systems. To estimate the service time and the service cost, the company's managers want to predict the repair time necessary for each maintenance request. Hence, repair time in hours is the dependent variable. Repair time is believed to be related to three factors, the number of months since the last maintenance service, the type of repair problem (mechanical or electrical), and the repairperson who performed the service. Data for a sample of 10 service calls are reported in the table below. ŷ = Repair Time in Hours 2.9 3.0 ŷ = 4.8 1.8 2.4 4.9 4.7 4.8 4.4 4.5 Months Since Last Service 2 6 8 3 2 7 9 8 4 6 Type of Repair Electrical Mechanical Electrical Mechanical Electrical Electrical Mechanical Mechanical Electrical Electrical Repairperson Dave Newton Dave…Aragon Equipment, Inc. is a tractor manufacturer that is beginning to realize the importance of sales data in marketing its products. Its two main products are The Incisor, a tractor used in large agricultural settings, and The Caddy, a smaller tractor primarily used in landscape. The company divides its market into four geographic regions. With the aim of maximally allocating its resources, Aragon decides to investigate whether there is a relationship between the variables type of Aragon tractor sold ("The Incisor" or "The Caddy") and geographic region of the sale ("Great Lakes", "Ohio Valley", "Mid-Atlantic", or "Corn Belt"). The contingency table below summarizes sales data from 500 Aragon tractor sales. Each cell of the table contains three numbers: the first number is the observed cell frequency (fO); the second number is the expected cell frequency (fE) under the assumption that there is no relationship between the type of tractor sold and the geographic region of the sale; and…
- Research engineers with the University of Kentucky Transportation Research Program have collected data on accidents occurring at all intersections in Lexington, Kentucky, over a period of 5 years. One of the goals to study was to compare the average number of left-turn accidents at locations with and without left turn only lanes to develop numerical warrants (or guidelines) for the installation of left turn lanes. a) Determine the population of the interest, its sample and variables. b) List one suitable method to collect the data.A statistical program is recommended. A company provides maintenance service for water-filtration systems throughout southern Florida. Customers contact the company with requests for maintenance service on their water-filtration systems. To estimate the service time and the service cost, the company's managers want to predict the repair time necessary for each maintenance request. Hence, repair time in hours is the dependent variable. Repair time is believed to be related to three factors, the number of months since the last maintenance service, the type of repair problem (mechanical or electrical), and the repairperson who performed the service. Data for a sample of 10 service calls are reported in the table below. Repair Time in Hours 2.9 3.0 ŷ 4.8 1.8 2.7 4.9 4.6 4.8 4.4 4.5 Months Since Last Service 2 6 8 3 2 7 9 8 4 6 Type of Repair Repairperson Electrical Mechanical Electrical Mechanical Electrical Electrical Mechanical Mechanical Electrical Electrical Dave Newton X Dave Newton…4) A study is designed to examine the how the eyes of a model in a magazine advertisement might affect the way a consumer views the product being advertised. Volunteers are assigned one of four ads for a fictional toothpaste, each with a photo of the same model. The only difference is that eyes are digitally made either brown, blue or green OR the model is in the same pose but looking downward so that the eyes are not visible. The variable measured is the viewer's attitude toward the brand. Find the values that go in the boxes for this table. You will enter those values as requested below. ANOVA: Single Factor SUMMARY Groups Blue Brown Green Down ANOVA Source of Variation Between Groups Within Groups Total Q4.1 Box A) Total SS Save Answer Q4.2 Box B) df(num) Save Answer Q4.3 Box C) df(denom) ANOVA: Single Factor SUMMARY Groups Blue Brown Green Down ANOVA Source of Variation Count 67 37 77 41 Between Groups Within Groups SS Total 24.419 613.138 A. Type the value that goes in the box…