Sg-Group Assignment #11 - How Fast? Instructions: In 1974, Loftus and Palmer conducted a classic study demonstrating how the language used to ask a question can influence eyewitness memory. In the study, college students watched a film of an automobile accident and then were asked questions about what they saw. One group was asked, "About how fast were the cars going when they smashed into each other?" Another group was asked the same question except the verb was changed to "hit" instead of "smashed into." The "smashed into" group reported significantly higher estimates of speed than the "hit" group. You, as a researcher wonder if Loftus and Palmer's study is reliable, and repeats this study with a sample of FIU students and obtains the following data. Hit Group Smashed Into Group 28 46 22 41 36 51 32 36 38 41 39 37 33 46 37 31 32 35 25 52 22 55 50 27 41 22 39 25 47 32 45 26 32 36 41 35 46 39 37 40 Your job is to determine if smashed into group reports higher speed than hit group. As you work on this problem, make sure to provide information for each of the eight steps we cover in well as the APA write-up you would see in a results section. ind) 9. Finally, write up your results as you would see it in a results section of an empirical research paper. Make sure to include the means and SDs for smashed into and hit group (in miles). I do NOT need to see the effect size (Cohen's D) 10. Was your obtained t-value positive or negative? Would it matter either way? With your discussion group, tell my why a positive or negative value is not important when it comes to your obtained value 11. What is more appropriate to use for your data set: the one-tailed 1-Test or the two-tailed t- Test. Why? 12. Why would it be easier to find significance using a p value of .05 than a p value of.01?
Sg-Group Assignment #11 - How Fast? Instructions: In 1974, Loftus and Palmer conducted a classic study demonstrating how the language used to ask a question can influence eyewitness memory. In the study, college students watched a film of an automobile accident and then were asked questions about what they saw. One group was asked, "About how fast were the cars going when they smashed into each other?" Another group was asked the same question except the verb was changed to "hit" instead of "smashed into." The "smashed into" group reported significantly higher estimates of speed than the "hit" group. You, as a researcher wonder if Loftus and Palmer's study is reliable, and repeats this study with a sample of FIU students and obtains the following data. Hit Group Smashed Into Group 28 46 22 41 36 51 32 36 38 41 39 37 33 46 37 31 32 35 25 52 22 55 50 27 41 22 39 25 47 32 45 26 32 36 41 35 46 39 37 40 Your job is to determine if smashed into group reports higher speed than hit group. As you work on this problem, make sure to provide information for each of the eight steps we cover in well as the APA write-up you would see in a results section. ind) 9. Finally, write up your results as you would see it in a results section of an empirical research paper. Make sure to include the means and SDs for smashed into and hit group (in miles). I do NOT need to see the effect size (Cohen's D) 10. Was your obtained t-value positive or negative? Would it matter either way? With your discussion group, tell my why a positive or negative value is not important when it comes to your obtained value 11. What is more appropriate to use for your data set: the one-tailed 1-Test or the two-tailed t- Test. Why? 12. Why would it be easier to find significance using a p value of .05 than a p value of.01?
Chapter7: Matrices And Determinants
Section7.2: Operations With Matrices
Problem 12ECP
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Transcribed Image Text:Sg-Group Assignment #11 - How Fast?
Instructions: In 1974, Loftus and Palmer conducted a classic study demonstrating how the
language used to ask a question can influence eyewitness memory. In the study, college students
watched a film of an automobile accident and then were asked questions about what they saw.
One group was asked, "About how fast were the cars going when they smashed into each other?"
Another group was asked the same question except the verb was changed to "hit" instead of
"smashed into." The "smashed into" group reported significantly higher estimates of speed than
the "hit" group. You, as a researcher wonder if Loftus and Palmer's study is reliable, and repeats
this study with a sample of FIU students and obtains the following data.
Hit Group
Smashed Into Group
28
46
22
41
36
51
32
36
38
41
39
37
33
46
37
31
32
35
25
52
22
55
50
27
41
22
39
25
47
32
45
26
32
36
41
35
46
39
37
40
Your job is to determine if smashed into group reports higher speed than hit group. As you work
on this problem, make sure to provide information for each of the eight steps we cover in
well as the APA write-up you would see in a results section.
ind)
Transcribed Image Text:9. Finally, write up your results as you would see it in a results section of an empirical
research paper. Make sure to include the means and SDs for smashed into and hit group
(in miles). I do NOT need to see the effect size (Cohen's D)
10. Was your obtained t-value positive or negative? Would it matter either way? With your
discussion group, tell my why a positive or negative value is not important when it comes
to your obtained value
11. What is more appropriate to use for your data set: the one-tailed 1-Test or the two-tailed t-
Test. Why?
12. Why would it be easier to find significance using a p value of .05 than a p value of.01?
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