What type of study is this?A first-year university unit wanted to give option of online teaching to determine whether online teaching improved learning outcomes. Studentswere allowed to enrol into online or on-campus classes. Grades at the end of semester were compared.Select one:O ExperimentalO Something elseO Observational

A first-year university unit is considering the option of online teaching to determine if it…

Answered: What type of study is this? A…

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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A middle school wanted to examine if students' sense of school belongingness increased after participating in a two-week after-school program. Thirty students were selected to participate in the after-school program. Prior to completing the program, students completed a measure of school belonging. At the end of the two-week program, students completed another measure of school belongingness. Students' scores before and after the program were then compared. What is the DV? O 30 participants O (before and after) the after school program O Sense of school belonging O the middle school
An ecology class used binoculars to watch 23 turtles at Walden Pond. It was found that 18 were box turtles and 5 were snapping turtles. What kind of study is this? -observational -census -simulation -experimental
A researcher is interested in examining whether people experience greater traumatic stress after a natural disaster (hurricane) or a man-made tragedy (terrorist attack). The researcher measured the stress of 10 people who experienced a hurricane and 10 people who experienced a terrorist attack. Stress was measured on a scale from 1-5, with higher scores indicating greater stress. Enter their data (see below) into SPSS and answer the following questions. Hurricane Terrorist Attack 3.6 3.0 2.2 3.2 3.6 4.7 2.4 4.7 2.2 4.4 1.0 4.2 1.7 2.0 2.2 3.6 2.7 4.6 1.7 4.4 Run an independent t-test ?
. Is using meditation to relax and clear the mind a natural way to treat insomnia? Design an experiment to investigate this question. Assume that you have 20 individuals who suffer from insomnia available to participate in the study. At the end of two months, you will ask subjects to rate their sleep quality.
Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 42 of the 47 subjects treated with echinacea developed rhinovirus infections. In a placebo group, 89 of the 102 subjects developed rhinovirus infections. Use a 0.01 significance level to test the claim that echinacea has an effect on rhinovirus infections. Complete parts (a) through (c) below.
What is it called when an article is written by a researcher who has conducted the study himself/herself? Select one: a. empirical b. organic c. non-fiction d. peer-reviewed Clear my choice
The Bureau of Labor Statistics reports that the official unemployment rate for Black people was 10.4% and 4.7% for White people in February 2015. Select all correct answers for this question. O The samples of white and black people are independent. The explanatory variable is the unemployment rate. The response variable is the unemployment rate. The response variable is race.
A researcher gathered a sample of participants who volunteered for a studying of phobias. She measured anxiety level of participants as they viewed photos of spiders and again when they viewed puppies. Which statistical test is appropriate for this study and why?
The city council is considering a law that would ban smoking in all public facilities. A sample has been selected from the community and tested for support of the ordinance. Is there a statistically significant relationship between age and support for the anti-smoking law? Use the five step model as a guide and write a sentence or two interpreting your results. Age Less than 40 More than 40 Support: For 145 78 223 Against 103 169 272 248 247 495
Write an example of a research study that would be most appropriate for a within subjects ANOVA
A car wash is assessing the average wait time for its customers. The median wait time is 4 minutes. Does a customer who waits for 5 minutes represent an abnormal wait time? The customer who waits 5 minutes an abnormal case, because 50% of customers wait more than minutes.
Why is Data literacy important when evaluating sources from a study?

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