CO 1) A researcher wants to study the effects of
playing video games 24-7 for a week. What type of study would be
best suited to make this determination?
Experimental
Survey
Observational
Simulation
Sol: Here, the researcher cannot control the independent variable, which is the player himself as his response to playing the video game 24X7 is the purpose of the study. Clearly, this is an observational study and the researcher has to wait for 7 days to see the effects on the player.
CO 1) A researcher wants to study the effects of playing video games 24-7 for a...
(CO 1) A political campaign wants to know the public’s reaction to their candidates latest policy initiative. What type of study would be best suited to make this determination? Experimental Observational Survey Simulation
A researcher is interested in seeing if playing violent video games leads to a change in aggressive attitudes. The researcher recruits an experimental group, who plays a violent video game for 1 hour, and a control group. Both groups complete a measurement instrument that measures their aggressive attitudes on a scale of 0-100. A. What type of study design is this (descriptive, correlational, or experimental)? B. What would be the appropriate statistical analysis to use in that situation (Chi-Square, Pearson...
Answer the following parts: Visual and auditory games study: A researcher wants to know which type of games: 1) visual games, 2) auditory games, or 3) games involving both visual and auditory engagement help the most in delaying cognitive losses in 70 to 80 year-old individuals with Alzheimer’s disease. The participants in the visual stimulation group will be 30 volunteers recruited in Nursing Home A; participants in the auditory stimulation group will be 30 volunteers recruited in Nursing Home B;...
1. A data set that includes the shows on a station during the day would be classified as what type of data? nominal, ordinal, interval, ratio 2. What type of data collection might be best to estimate the amount of time individuals spend socializing? survey, observational, experiment, simulation 3. What type of data collection might be best to study how many books students bring into the media center during finals week? experiment, observational, simulation, survey 4. You need to study...
researcher wants to know if the food you 4. Can your diet make you happier? A eat has an effect on your happiness. A random sample of 41 adult participants completed a survey on happiness and a questionnaire on their diet (vegetarian, vegan, low carb, low fat, or no diet). The happiness survey is scored on a scale of 50-100, where higher scores are associated with a higher degree of happiness and satisfaction in the participants' life. Would you describe...
A 2010 study examined students' perceptions about the use of video games in the classroom. 200 students were surveyed (103 females, 97 males) from flemish secondary schools. (c) The students were also asked about how frequently they played video games. 21.4% of female students and 11.3% of male students replied that they did not play video games. Construct a 95% confidence interval for the difference in the proportion of male and female students that do not play video games. [1]...
7. In a two-way ANOVA, the researcher makes decisions regarding _____ null hypotheses. two interdependent three separate three interdependent two separate 9. A researcher is interested in the effects of playing violent video games on aggressive behavior. There are two independent variables in his study—1) the type of video game played (violent or nonviolent), and 2) the amount of time spent playing the video game (either one day or one week). At the end of the testing phase each participant...
Physical, cognitive and social engagement games study: A nursing home administrator wants to know if starting a daily program of games that involve physical, cognitive and social activity for its residents would help reduce the risk of dementia. All subjects who can participate will do so. The Alzheimer’s Disease Assessment Scale-Cognitive will be used to measure the level of dementia. 1) What is the best description of the most appropriate research design for this study? a) one-group posttest only design...
1. A market researcher for a consumer electronics company wants to study the TV viewing habits of residents of a particular area. A random sample of 60 respondents is selected & each respondent is instructed to keep a detailed record of all TV viewing in a particular week. The results of the sample indicate the average viewing time is 37 hours & the standard deviation is 4.8 hours. 36 have HD TVs on at least 1 television set. A. Construct...
0201 7) A nutritionist wants to conduct a study to validate the efficacy of an herb as an aid in weight loss She randomly assigns half of a group of overweight persons to a treatment group who are giver the herb with instructions as to use and a planned diet for six weeks. The other half of the group i given the same diet without the herb. Participants are aware as to which group they belong. A nurse at the...