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A study investigated the number of hours of sleep 7th grade students had before their math  exam  and 7th grade students’ performance on the math exam. What type of research design is used in this study?

In a frequency distribution of 100 scores, the mean is 80 and the median is 60.  One would expect that this distribution is:

A researcher was interested in comparing the grade point averages of male and female freshmen undergraduate Biology students.   25 male and 25 female freshmen undergraduate Biology students were randomly selected from 1 large university.  Grade point averages were computed at the end of the year. What is the independent variable(s)?

A researcher was interested in evaluating the effectiveness of 3 programs (Yoga, Physical Exercise, Mental Imagery) designed to reduce test anxiety in 1st year college students.  60 1st year students at 1 college volunteered for the study.  The researcher randomly assigned: 20 students to the Yoga condition, 20 to the Physical Exercise condition, and 20 to the Mental Imagery condition.   The researcher evaluated the effectiveness of the programs by comparing the Test Anxiety scores (Cronbach’s alpha = .05) of the students right before the students took their final exams. What is Cronbach’s alpha?

A researcher was interested in evaluating the effectiveness of 3 programs (Yoga, Physical Exercise, Mental Imagery) designed to reduce test anxiety in 1st year college students.  60 1st year students at 1 college volunteered for the study.  The researcher randomly assigned: 20 students to the Yoga condition, 20 to the Physical Exercise condition, and 20 to the Mental Imagery condition.   The researcher evaluated the effectiveness of the programs by comparing the Test Anxiety scores (Cronbach’s alpha = .05) of the students right before the students took their final exams.   What statistical technique would you use to examine the relationship between the independent variable(s) and the dependent variable(s)?

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Sentences 4 and 5 state: 

Choose ONE of the questions below. Then follow the paragraph guidelines to write your answer. Question 1:  Select one of the social problems we read about (list below). What are 2 or 3 effective ways to solve or address this problem today? You may want to use more than 1 text to answer this question.  OR Question 2: Imagine you have been asked to be an advisor to your country’s government. Which problem that we read about would you tell them that is MOST URGENT (or important) for your country to work on, and why?  Paragraph Guidelines and Format: 5 points: Identify the social problem you’ve chosen. (topic sentence; re-state the question)  20 points.: Explain your points, and support your ideas by accurately paraphrasing at least 2 specific ideas from texts we have read in our class, and explain how they support your points.  Cite the text using the # above.  (5 points) Organize the sentences into a cohesive paragraph with mostly correct vocabulary and grammar  Your entire answer should be 7-10 sentences in length texts we’ve read: social problem 1: internet and the digital future  text A and text B social problem 2: schools or education challenges   text C  (solutions in Asia)    and text D social problem 3: gender inequality      text E (World Gender Gap report 2024)   and text F: negative consequences of the Global Closet social problem 4: environment    text G (Shanghai’s renewal)     and text H  The Living Building (at Georgia Tech) social problem 5: environment (with solution through art): text I  (art using plastics )   

In sentence 11, the word empathy means

The passage suggests that some people help others because