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question: could you assist me finding the null, alternative, IV, DV, best test and the best write up for these 4 questions 1.
question: could you assist me finding the null, alternative, IV, DV, best test and the best write up for these 4 questions
1. Anderson, Huston, Wright, and Collins (1998) report that high school students who had regularly watched Sesame Street as children had better grades in high school than their peers who had not watched Sesame Street. A researcher intends to examine this phenomenon using a sample of high school students. The researcher first surveys the students' parents to obtain information on the family's TV-viewing habits during the time that the students were 5 years old. Based on the survey results, the researcher selects a sample of students with a history of watching Sesame Street and another sample of students who did not watch the program. The average high school grade is recorded for each student (0=no grade, 100=perfect grade)
A. Null hypothesis: there is no relationship between the TV show sesame street and intelligence
B. Alternative hypothesis: there is a relationship between the TV show sesame street and intelligence
C. IVs - grades of the students
D. DVs - sesame street video viewing ages
E. Best test to use dependent t test
F. Results Write-Up
2. A pharmaceutical company has developed a drug that is expected to reduce hunger. To test the drug, samples of rats are selected receiving the high-dose drug, low-dose drug, and a placebo respectively. The researcher then tested the amount of food eaten (in ounces) by each rat per day over a 1-month period. (Notice that an average rat eats 0.5 oz-1 oz per day)
A. Null hypothesis
B. Alternative hypothesis
C. IVs
D. DVs
E. Best test to use
F. Results Write-Up
3. Studies have shown that people with high intelligence are generally more likely to volunteer as participants in research. To examine this phenomenon, a researcher administers a questionnaire to a sample of college students. The survey asks for the student's grade point average (as a measure of intelligence) and whether the student would like to take part in a future study on a 10-point willingness scale (0 = not at all willing, 10 = very willing)
A. Null hypothesis
B. Alternative hypothesis
C. IVs
D. DVs
E. Best test to use
F. Results Write-Up
4. In the population, the average IQ is 100 with a standard deviation of 15. A team of scientists wants to test a new medication to see if it has a effect on intelligence. A sample of 30 participants who have taken the medication has a mean of 140. Did the medication affect intelligence?
A. Null hypothesis
B. Alternative hypothesis
C. IVs
D. DVs
E. Best test to use
F. Results Write-Up
