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PSYC FPX 4700 Assessment 1 Basics of Research and Statistics, Frequency Distributions, Percentiles, and Graphical Representations

PSYC FPX4700 Assessment 1 Basics of Research and Statistics, Frequency Distributions, Percentiles, and Graphical Representations

 

 

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Basics of Research and Statistics, Frequency Distributions, Percentiles, and Graphical Representations

Work through the problems listed below in this Word document. Do not submit any additional files. Provide examples of your work for problem sets requiring calculations. Make sure your solution to each problem is easy to see. To differentiate your response, you might want to highlight it or use a different typeface color.

Problem Set 1.1: Identifying Variables (Dependent, Independent, Quasi-Independent)

Criterion: Identify dependent and independent variables.

Instructions: For the following list of examples, identify the dependent variable and independent (or quasi-independent) variable. 

In a group of cocaine-inexperienced and cocaine-dependent mice, a researcher determines whether cocaine use causes an increase in impulsive behavior.

  • Variable Independent: ___ Cocaine Use: A Quasi-Independent Variable
  • Variable that Depends: ___ Impulsive Behavior __ A teacher determines whether students perform better on a fill-in-the-blank or multiple-choice test.
  • Variable Independent: ____ Type of Test: Quasi-Independent Variable:
  • Subordinate Variable: ____ How students do on the test: A researcher looks to see if parents’ smoking habits have an effect on their children’s attitudes toward smoking.  
  • Free Factor: ___ Smoking parents Quasi-Independent Variable: _____
  • Variable that Depends: ___ A social scientist investigates whether minors’ attitudes toward smoking differ according to political affiliation (Democrat or Republican).
  • Autonomous Variable: ________
  • Variable that Is Only Partly Independent: Affiliation to a political party: Dependent Variable: Moral stance ____ A cultural researcher looks at whether people from different cultures believe that dreams have meaning or not.
  • Autonomous Variable: ________
  • Variable that Is Only Partly Independent: Various Societies ____
  • Subordinate Variable: ____ The beliefs

Problem Set 1.2: Understanding Sample and Population

Criterion: Describe the relationship between population and sample. 

Instructions: Read the following and answer the question. 

Height and level of education: Szklarska and others 2007) estimated that taller young fellows are bound to climb the size of instructive fulfillment contrasted and more diminutive people from a similar social foundation. They enrolled 91,373 nineteen-year-elderly people men to take part in the review.

Are these individuals most likely a sample or a population? Explain.

The vast group of people from which a study draws its conclusions is called a population. A sample, on the other hand, is a smaller group of people chosen from the population to accurately represent the population under investigation and to be the source of data.

For instance, in research exploring level variations among individuals, the people picked by the scientists comprise an example got from a bigger populace of both taller and more diminutive individuals. To test the research hypothesis, only 19-year-old men were recruited for this particular study.

Problem Set 1.3: Create a dataset for use in JASP

Criterion: Enter and display data for use in JASP.

Data: Five social media users spent the following number of minutes viewing Twitter:
15.21, 46.18, 12.45, 65.486, 26.852.

Instructions: Use the supplied data to complete the steps below.

  1. Open Excel.
  2. In cell A1, type Minutes. The variable of Minutes is continuous. 
  3. In cells A2-A6, enter the supplied data in the column labeled Minutes.
  4. Save your dataset as a .csv file
  5. Open JASP.
  6. In the sandwich menu, scroll down to OPEN, then select COMPUTER. Locate your .csv file and click it to open it. 
  7. Take a screenshot of your data in JASP and paste it below.

Table 1

Number of Minutes Spent by Five Users

Problem Set 1.4.a: Grouped or Ungrouped

Criterion: Explain the identification of types of data. 

There are two primary classifications for data sets:

  • Grouped data 
  • Ungrouped data

Data that has been divided up into groups or class intervals is referred to as “grouped data.” This approach is oftentimes used for enormous datasets as it assists with fathoming the information circulation all the more really.

Individual values or numbers that cannot be divided into groups or intervals are referred to as “ungrouped data.” When precise data values are required for analysis or when the dataset is small, this method is typically used.

PSYC FPX4700 Assessment 1 Basics of Research and Statistics, Frequency Distributions, Percentiles, and Graphical Representations

Instruction: Fill in the table below. For each example, state whether it is grouped or ungrouped and why. 

Example

Grouped or Ungrouped

Why

The time (in seconds) it takes 100 children to complete a cognitive skills game.

Grouped

This data is suitable for grouping into class intervals, such as 10-20, 20-40, 40-50, and so forth.

The number of single mothers with 1, 2, 3, or 4 children.

Grouped

The information given comprises individual data points, indicating that it cannot be organized into class intervals.

The number of teenagers who have experimented with smoking (yes, no).

Ungrouped

As the provided information consists of individual data points, it cannot be split into two groups. Therefore, it is classified as ungrouped data due to the absence of any grouping or categorization.

The age (in years) of freshman students in a local college.

Grouped

The age of freshman students at a local college is a pre-defined category. The ages of the students likely fit within a range, and the group would be defined according to the age range.

 

Problem Set 1.4.b: Understanding Descriptive and Interferential Statistics

 

Criterion: Explain the identification of types of data. 

Instructions: Read the following and answer the question. 

Gun ownership in the United States: Data from Gallup polls over a 40-year period show how gun ownership in the United States has changed. The results are described in the table below, with the percentage of Americans who own guns given in each of 5 decades:

Year

%

1972

43

1982

42

1992

48

2002

40

2012

43

Source: Reported at http://www.gallup.com/poll/1645/Guns.aspx 

Are these percentages an illustration of descriptive or inferential statistics?

  The percentages presented here are an illustration of descriptive statistics because they describe the proportion of Americans with guns without attempting to infer any relationships between them.

In light of the rates given in the table, how has weapon possession in the US changed throughout the course of recent years?

The ownership of guns in the United States has fluctuated over the past forty years, but it has generally remained fairly constant. 43% of Americans owned guns in 1972, and 43% of Americans owned guns in 2012. In the intervening time, the percentage of people owning guns fell to 42% in 1982, rose to 48% in 1992, and then fell again to 40% in 2002.

Problem Set 1.5: Reading a Chart

Criterion: Locate data on a chart. 

Instructions: Read the following and answer the questions. 

Participant Characteristics

Profession

Count

Type

Token

College Professor

Clinical Psychologist

Unknown

24,541

23,617

479

878,261

751,188

927

 

Total

 

1,630,376

 

Do the clinical psychologists or college professors in this sample speak more words overall (Token Count)?

In terms of statistical significance, College Professors make up 53.868% of the tokens in the sample, indicating that they speak more words than Clinical Psychologists, who make up 46.1313% of the tokens. According to the overall criteria, College Professors typically speak more than Clinical Psychologists.

Do the clinical psychologists or college professors in this sample use a greater variety of words (Type Count)?

In the given example, Clinical Clinicians represent 48.55% of the all out count of types, while School Teachers address 50.45% of the decisions in favor of utilizing various kinds of words. As a result, we can deduce that College Professors speak a broader range of languages than Clinical Psychologists do. Overall, the result demonstrates that College Professors speak more frequently than Clinical Psychologists and have a broader vocabulary.

Problem Set 1.6: Frequencies and Percentages

Criterion: Identify frequencies and percentages.

Instructions: Indicate which of the following descriptions is most appropriate: cumulative frequency, relative frequency, relative percentage, cumulative relative frequency, or cumulative percentage. Indicate whether cumulative distributions should be summarized from the top down or from the bottom up for these.

Data:

The recurrence of organizations with no less than 20 workers: From the top down, a summary of cumulative percent

The recurrence of undergrads with under a 3.0 GPA: ______ Cumulative Frequency and arranged in ascending order.

The level of ladies finishing 1, 2, 3, or 4 assignments at the same time: ____: Percentage Relative The percentage of pregnancies that are delivered in public or private hospitals: Relative Recurrence, summed up from the top down_____

The level of heavy drinkers with over 2 years of substance misuse: _______ From the top down, cumulative relative frequency is summarized.

Problem Set 1.7: Understanding Percentages

PSYC FPX4700 Assessment 1 Basics of Research and Statistics, Frequency Distributions, Percentiles, and Graphical Representations

Criterion: Identify distribution type and number of people.

Instructions:Peruse the accompanying and answer the inquiries.

How people see same-sex marriage: A poll conducted by CBS News in June 2016 asked a sample of adults worldwide whether same-sex marriage should be legal or not (reported at http://www.pollingreport.com). The following were the opinions of adults around the world: 58%, legal; 33% are illegal; and 9% who were unsure or did not respond.

Which kind of distribution is this? This is the relative percentage distribution. Considering that 1,280 adults across the country were polled, how many Americans thought that same-sex couples should be allowed to marry legally? 742 Americans ______________________

Problem Set 1.8: Create an Ascending Frequency Table in JASP

Criterion: Create an ascending frequency table in JASP.

Data: Use dataset clicks.jasp. This dataset is a record of the number of clicks per hour in forty different tweets.

Instructions: Complete the steps below.

  1. Download clicks.jasp. In order to open the dataset in JASP, double-click the icon.
  2. In the Toolbar, click Descriptives.
  3. Click the Arrow to move it to the Variables box after selecting Clicks.
  4. Select “Tables.” Select Frequency Tables from the menu that appears.
  5. In the Word document, paste the frequency table of ascending values.

Note: You will continue to use this dataset in the next two problems.

Table 2

Number of Clicks Per Hour in Forty Different Tweets

Frequencies for Clicks 

Clicks

Frequency

Percent

Valid Percent

Cumulative Percent

0

 

3

 

7.500

 

7.500

 

7.500

 

1

 

2

 

5.000

 

5.000

 

12.500

 

2

 

6

 

15.000

 

15.000

 

27.500

 

3

 

1

 

2.500

 

2.500

 

30.000

 

4

 

3

 

7.500

 

7.500

 

37.500

 

5

 

5

 

12.500

 

12.500

 

50.000

 

6

 

4

 

10.000

 

10.000

 

60.000

 

7

 

4

 

10.000

 

10.000

 

70.000

 

8

 

8

 

20.000

 

20.000

 

90.000

 

9

 

4

 

10.000

 

10.000

 

100.000

 

Missing

 

0

 

0.000

 

 

 

 

 

Total

 

40

 

100.000

 

 

 

 

 
 

Problem Set 1.9: Construct a Bar Graph in JASP

Criterion: Construct a bar graph in JASP.

Data: Use dataset clicks.jasp. This dataset is a record of the number of clicks per hour in forty different tweets.

Instructions: To create a bar chart to examine the data, follow these steps:

You can get clicks.jasp. In order to open the dataset in JASP, double-click the icon.

In the Toolbar, click Descriptives.

Click the Arrow to move it to the Variables box after selecting Clicks.

Click Fundamental Plots, then, at that point, check Circulation Plots.

Copy and paste the following bar graph.

Discretionary to reply: What is the distribution’s shape? Asymmetrical.

Note: You will continue to use this dataset for the next problem.

Table 3

Bar Chart of The Number of Clicks Per Hour in Forty Different Tweets.

 

Problem Set 1.10: Construct a Pie Chart in JASP

Criterion: Construct a pie chart in JASP.

Data: Use dataset clicks.jasp. This dataset is a record of the number of clicks per hour in forty different tweets.

Instructions: To make a pie chart, follow the steps below.

You can get clicks.jasp. In order to open the dataset in JASP, double-click the icon.

In the Toolbar, click Descriptives.

Click the Arrow to move it to the Variables box after selecting Clicks.

Click Fundamental Plots, then, at that point, check Pie graphs.

  1. Copy and paste the pie graph below.

Table 4

Pie Chart of The Number of Clicks Per Hour in Forty Different Tweets.

 

 

 

 

 

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The post PSYC FPX 4700 Assessment 1 Basics of Research and Statistics, Frequency Distributions, Percentiles, and Graphical Representations appeared first on Ace My Course.

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