Psychology Research Methods Introductory & Chi-square Analysis - Psychology Assignment Help

Assignment Task

Chi-square Analysis

• 254017399000
• According to recent media, postgraduate students prefer online learning to face-to-face learning (AFR, 12 October 2020). However, while this view may apply to postgraduate students, it is not known whether undergraduate students hold the same view as postgraduate students.
• To investigate this question, you recruit a sample of 80 students. You then classify each student as either an undergraduate student or postgraduate student. For each student, you also record whether they prefer face-to-face learning or online learning.
• The data from this study can be found in the file digital_learning.omv. The variable StudentType indicates whether a student is an undergraduate or a postgraduate student. The variable StudyPref gives an indication of a student’s preferred study mode.
• Experiment 1 - Questions
• Conduct the appropriate Chi-square test examining the association between student type (undergraduate or postgraduate) and preferred study mode (face-to-face or digital). Attach the relevant jamovi output to your submission. (3 Marks)
• With help from the unit materials, report the results of the analysis in APA format including all relevant information. (3 Marks)
• Experiment 2
• Dr Bean claims that students who drink coffee are more likely to score a High Distinction (HD) on their Research Methods exam than students who don’t drink coffee. To evaluate this claim, Dr Bean recruits a sample of university students and classifies each student according to their coffee drinking behaviour (whether they drink coffee or not). For each student, Dr Bean also records their exam performance (whether they scored an HD or not). Dr Bean then runs a Chi-square analysis to test for an association between exam performance and coffee drinking behaviour.
• Based on the jamovi output and the background information provided, Dr Bean reports the results of the analysis as follows:
• A Chi-square Goodness of Fit Test was conducted to test if exam performance was associated with coffee drinking behaviour. The analysis suggested that students who drink coffee are significantly more likely to score a HD on their exam than students who do not drink coffee, 2(df = 1, N = 60) = 5.18, p = .023, = .92.
• Experiment 2 - Questions
• List any factual mistakes made by Dr Bean in the above statement. For each mistake, note why Dr Bean is incorrect. (2 Marks)
• Re-write Dr Bean’s statement after correcting any mistakes made. (2 Marks)
• Psychology Research Methods Introductory (HPS201/HPS771)
• Assignment
• Task 2: t-tests
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• Experiment 1
• 06223000Research suggests that Attention Deficit Hyperactivity Disorder (ADHD) is frequently accompanied by motor coordination problems (Kaiser et al., 2015).
• To investiage this empirically, you take a sample of 80 children who have been diagnosed with ADHD and a second sample of 80 children without ADHD of the same age. You then assess each child’s motor coordination using the Developmental Coordination Disorder Questionnaire (DCD-Q), a parent report measure developed to assist in the identification of motor difficulties. Higher scores on the DCD-Q indicate higher levels of motor coordination.
• The data from this study can be found in the file DCDQ.omv. The variable Group indicates whether a participant was assigned to the ADHD group or the non-ADHD group. The variable DCDQ indicates the obtained DCD-Q score for each participant.
• Experiment 1 - Questions
• Conduct the appropriate t-test to test whether the mean DCD-Q score of the ADHD group is different from the mean DCD-Q score of the non-ADHD group. Attach the relevant jamovi output to your submission. (2 Marks)
• With help from the unit materials, report the results of the analysis in APA format including all relevant information. (3 Marks)
• Assume you are a clinical psychologist. On the basis of the results of the study, what would be your recommendation for the assessment and/or treatment of children with ADHD? Justify your answer by discussing the observed difference in motor coordination between children with ADHD and typically developing children. (1 Mark)
• Experiment 2
• Dr Zumba would like to examine the effectiveness of a motor training program in improving motor skills in a group of children with ADHD. In the study, a group of children with ADHD complete tasks assessing their balance and strength before (PreStrength / PreBalance) and after (PostStrength / PostBalance) undertaking the motor training program. Higher scores on the strength and balance tasks indicate better performance. Dr Zumba then conducts the following statistical analyses:
• Statistical Output
• Experiment 2 – Questions
• Answer the following questions with reference to the appropriate statistical output. You are not required to respond in APA format.
• Dr Zumba concludes that the training program is effective in improving both balance and strength in children with ADHD. Is Dr Zumba correct? Justify your response. (2 Marks)
• What would you consider to be the most appropriate interpretation of the analyses conducted (select one of the below response options)? Justify your response. (2 Marks)
• Children with ADHD would be expected to show greater change in balance than in strength following the training program.
• Children with ADHD would not be expected to show change in either strength or balance following the training program.
• Children with ADHD would be expected to show greater change in strength than in balance following the training program.
• Children with ADHD would be expected to show equal change in both strength and balance following the training program.

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