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In the following there are three research scenarios. For each scenario, please answer the following: 1. Determine which statistical test is suitable (e.g., one-sample, paired-samples,
In the following there are three research scenarios. For each scenario, please answer the following: 1. Determine which statistical test is suitable (e.g., one-sample, paired-samples, independent-samples t tests) 2. Conduct the statistical tests according to the five steps of hypothesis testing (You can use Jamovi to help you.) 3. Report your findings in one sentence as in a research article (Please report the exact p value generated by Jamovi.) Please report any numerical values to 2 decimal places. Scenario A An educational psychologist wanted to study whether P.6 or F.1 students have different anxiety levels. She decided to conduct a longitudinal study and measure the same students across two years. The following are the anxiety test scores: Anxiety levels: Student Grade 2 3 4 5 6 9 10 12 P.6 62 54 50 48 18 39 2 40 45 74 42 47 F.1 58 56 53 45 43 41 60 39 46 72 50 54 Scenario B A cognitive psychologist wanted to investigate whether aging will slow face recognition speed down. He tested 10 elderly people and recorded their face identification time. It was previously known that the average adults take 0.9 seconds to identify a face. Face identification time of 10 elderly people: 1.2, 1, 1.3, 1.3, 0.7, 1.9, 0.8, 1.3, 1.1, 1.8 Scenario C A education psychologist was interested in how playing chess may affect school achievement. He compared the final exam scores of 5 students in the chess club and 6 other students. The final exam scores for chess club members: 70, 73, 70, 82, 64 The final exam scores for other students: 46, 48, 62, 74, 54, 56
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