What is the research hypothesis

Reference no: EM133667220

Assignment: Relationships & Regression

Overview

This assignment allows you to demonstrate mastery of topics covered. It includes differentiating between relationships and prediction and requires you to be able to identify the variables and their scales of measurement to determine the most appropriate test. These are some of the most commonly used tests in our field, and these exercises will help you be better at both consuming and producing research using these techniques.

Instructions

Download the Homework: Relationships and Regression Assignment Template as a word document. Do not delete or modify the template, except to insert your answers where indicated.

Task

Question I

What is the research hypothesis (not the null hypothesis - the research hypothesis). State whether it is one or two-tailed, and justify your answer.

Question II

Calculate the appropriate statistical test using SPSS. Copy / paste all relevant output in the space provided, making sure it is all viewable.

Question III

Write a Results section for your findings. Include the type of statistical test and results of the test (clearly stating whether results are significant or not), confidence interval, and interpret the coefficient of determination.

Question IV

Regardless of the results above, use SPSS to calculate a regression analysis to predict ratings of child behavior problems given one's family support. (Note this statement tells you what the predictor, or independent variable should be for your analysis). Copy / paste all SPSS output as images in the space below.

Question V

Create an appropriate figure for the regression (include the line of best fit). Present it professionally below, numbering it as Figure 1 (and don't forget all other components like a title, et cet).

Question VI

Write a results paragraph for the regression analysis. Make sure to include the statistical test results, regression equation, interpretation of the equation, and the standard error of the estimate. Include a correctly formatted callout to Figure 1 as well! (Note this question requires you to synthesize information from the lecture video, SPSS Workbook, and ebook chapter from this week! Hint: See Application 9.3 (p. 272) and its related sections in chapter 9 for an example write-up based on SPSS output.)

Question VII

The media reports that "New study finds that the root of behavior problems in children is lack of family support". In 1 - 2 sentences, briefly discuss whether this is an appropriate claim, using terms and concepts from the course.

A researcher uses a driving simulation to measure the reaction time of braking when a dog runs across the street in front of a car. His participants are newly licensed or experienced drivers, and all of the drivers are talking on a cell phone during the simulation (N = 16). He finds the following data, which represent seconds to brake after a dog first appears in the street in front of a driver. Enter the databelow as numerical data into SPSS to complete problems VIII-XI.

Type of Driver	Braking Time
Newly Licensed Drivers	1
Newly Licensed Drivers	1.5
Newly Licensed Drivers	2.33
Newly Licensed Drivers	2.33
Newly Licensed Drivers	4.5
Newly Licensed Drivers	5
Newly Licensed Drivers	15
Newly Licensed Drivers	25
Experienced Drivers	.33
Experienced Drivers	.5
Experienced Drivers	.75
Experienced Drivers	1
Experienced Drivers	3
Experienced Drivers	3.5
Experienced Drivers	10
Experienced Drivers	12

Question VIII

What would be the most appropriate statistical test to examine whether there is a relationship between type of driver and braking time? Support your answer using terms and concepts from class.

Question IX

Calculate the appropriate statistical test using SPSS. Copy / paste all relevant output in the space provided, making sure it is all viewable.

Question X

Question XI

Recall what makes a study causal (i.e.systematic manipulation of an independent variable, random assignment to levels of the IV... review chapter 1 if needed).

How could you examine breaking time in a causal / experimental research study (note it does not need to include the type of driver variable - just use the braking time variable from this scenario plus another variable you could envision manipulating that may affect braking time).

Clearly state your two variables, how you'd operationally define them, which one you'd manipulate, and how you'd manipulate it.

Reference no: EM133667220

Questions Cloud

Who were james baldwin and countee cullen : Who were James Baldwin and Countee Cullen. Why were they important in American Literature? Include 3 literary works from both.

Soft wrist restraints and is exhibiting agitation-grimacing : The client is restricted with bilateral soft wrist restraints and is exhibiting agitation and grimacing.

Centers for disease control standard : What is the primary purpose of the Centers for Disease Control (CDC) Standard Precautions guideline?

Explain how the authors used each statistic : Look through entire Results section to identify inferential statistics with which you are familiar. List them and explain how the authors used each statistic.

What is the research hypothesis : What is the research hypothesis (not the null hypothesis - the research hypothesis). State whether it is one or two-tailed, and justify your answer.

Can eugenic thinking and its effects can be seen in us today : Can eugenic thinking and its effects can be seen in the U.S. today? If so, what are some examples? If not, why might this no longer be the case?

How does a biblical perspective on your topic compare : How does a biblical perspective on your topic compare to what you read last week in research literature on your topic? Share any similarities and differences.

Iimpacts of climate change affect some communities : The impacts of climate change affect some communities and social groups more than others.

Document the patient social history : Document the patient's social history, improvising any information that is not provided to construct a thorough history.

User Account

All Pages