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Frequency Tables and Graphs

PSYC 354

Homework 2

Frequency Tables and Graphs

When submitting this file, be sure the filename includes your full name, course and section. Example: HW2_JohnDoe_354B01

Be sure you have reviewed this module/week’s lessons and presentations along with the practice data analysis before proceeding to the homework exercises. Complete all analyses in SPSS, then copy and paste your output and graphs into your homework document file. Answer any written questions (such as the text-based questions or the APA Participants section) in the appropriate place within the same file.Part I: ConceptsAnswer all questions in the spaces provided.1) The following table depicts exam scores for a group of 65 students. Use the information in the table to determine the percentages for each interval and the total frequency and percentage. Fill these into the blank boxes in the table. Depending on your rounding decisions, these may or may not add up to exactly 100% but should be very close.Table: Grouped Frequency TableScore IntervalFrequencyPercentages for each Interval90-10011?80-8922?70-7917?60-697?50-596?40-491?30-391?TOTAL??2) Scores that have not yet been transformed or analyzed are ___________ scores.3) ________ look like bar graphs but typically display scale data.4) A frequency distribution that is bell-shaped, symmetrical, and unimodal is ___________ .5) A frequency distribution of ages of residents at an assisted living facility for the elderly is clustered around 82 with a long tail to the left. This distribution is ____________- skewed.6) When a constraint prevents a variable from taking on values above a certain point, this is known as a(n) ________ effect.7) A _________ depicts the relationship between two scale variables using dots.8) When graphing a nominal independent variable and a scale dependent variable, you could use a ________ or a _________.9) A line graph depicts the relationship between two _________ variables.10) Do the data in the scatterplot below show a linear relation, non-linear relation, or no relation at all?Answer11) Do the data in the scatterplot below show a linear relation, non-linear relation, or no relation at all?AnswerPart II: SPSS AnalysisBe sure you have viewed the SPSS tutorial presentation before proceeding.· Open the “Module 2 Exercise File 1” document (found in the course’s Assignment Instructions folder) in order to complete these exercises.· Reminder: Be sure to paste in the SPSS output and write out the answers in the spaces given.Part II: Questions 1-5· Open Module 2 Exerise File 1. It contains a selection of data from the General Social Survey, a survey conducted by the University of Chicago’s National Opinion Research Center each even-numbered year since 1972. This file contains data from the year 2016.· It contains variables describing the participants’ gender, marital status, region, political party, and religious preference. The number of categories in each variable (except Gender) are high because they include “no answer” and “unknown” or “undecided.” Variables are as follows:· SEX: Gender (two categories)· MARITAL: Marital Status (6 categories)· REGION: region of US (10 categories)· POL_PARTY: Political Party (6 categories)· REL_PREF: Religious Preference (10 categories, with “Other” including non-Christian religions)Questions 1a -1c1) In SPSS, conduct a “Frequencies” analysis on the Marital Status variable. Paste the output; and from the output, identify the following:a. Percentage of married peopleb. Most frequently occurring marital status (a.k.a. mode)c. Frequency of people who are widowed in the sampleAnswer- Frequency Table- Marital status: (paste Table in this cell)1-a) Percentage of married people: Answer1-b) Most frequently occurring (mode) for marital status: Answer1-c) Frequency of people who are widowed: AnswerQuestions 2-52) Run a Frequencies analysis to summarize the data on the Political Party variable.Answer- Frequency Table- Political Party (paste Table in this cell)3) Create a pie chart to summarize the data from the Political Party variable.Answer- Pie chart – Political Party: (paste pie chart in this cell)4) Create a bar chart to summarize the data on the Religious Preference variable. Use the “Summaries of Groups of Cases” method.Answer- Bar chart – Major denomination: (paste bar chart in this cell)5) Using the demographic information you’ve compiled above, write an APA-style Participants section describing the demographics of the participants in the sample. This should be a short paragraph, as covered in the week’s presentation on writing this type of section in a paper.Answer- Participants Section:Part III: SPSS Data Entry and AnalysisThe steps will be the same in Part III as the ones you have been practicing in Part I of the assignment; the only difference is that you are now responsible for creating the data file as well. Remember to do the following:· Name and define your variables under the “Variable View,” then return to the “Data View” to enter the data· Paste all SPSS output and graphs into your homework file at the appropriate place.Part III: Questions 1-3· Research scenario: A cognitive psychologist is conducting a study to look at the effects of recent substance use on reaction time. Using a sample of volunteers from the intake ward of a local residential rehabilitation facility, she gathers data on the participants’ recent substance use and measures their reaction time in hundredths of a second using a variation of the “red light, green light” test ( https://faculty.washington.edu/chudler/java/redgreen.html ) . She consequently has two variables, one for the type of substance used and one for reaction time. Follow the directions below, and answer the questions that follow:· Open a new SPSS data file.· Create two new variables called “SubAbuse” and “ReacTime” in the SPSS file. Use “Variable View” to create these variables.· The ReacTime variable should be coded as “Scale” within the “Measure” column. The SubAbuse variable should be coded as “Nominal.” For SubAbuse, under the “Values” column, define 1 as “Alcohol”, 2 as “Opioid”, 3 as “Marijuana”, and 4 as “Cocaine.” (For a review on this process, see the SPSS Intro presentation in Module 1.)· Return to the “Data View” and enter the data shown here:SubAbuseReacTime11111112222233344.35.42.43.65.71.93.311.02.51.58.92.39.43.38.87.29.451) Create a bar chart for the SubAbuse variable in SPSS. Use the “Summaries for Groups of Cases” method.Answer- Bar chart: SubAbuse (paste Figure in this cell)2) Create a histogram for the ReacTime variable.Answer- Histogram: ReacTime: (paste Figure in this cell)3) Though bar charts and histograms look similar, they are two different types of graphs. Explain why it is appropriate to create a bar chart for the substance abuse variable, and a histogram for the reaction time variable. Pay special attention to the X axis (horizontal axis) of each graph. If necessary, review the “How to Build a Graph” section in Chapter 3 of Nolan and Heinzen.Answer:Submit Homework 2 by 11:59 p.m. (ET) on Monday of Module/Week 2. Remember to name file appropriately.Done!2 3 5 4 8 1 7 3 2 5 6 6 7 8 9 13 12 16 15 16 10 16 12 12 15 14 17 18 18 200 1 2 3 4 5 6 7 0 0 0 1 2 4 8 15Page 1 of 5

The post Frequency Tables and Graphs appeared first on Nursing Essays Center.

The post Frequency Tables and Graphs appeared first on Nursing Essays Center.

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