a researcher is interested how the bystanders influence helping behavior .The researcher counts the number of people who do and do not help across the bystander and lone conditions.Which NHST would the researcher use to determine if there is relationship between the presence of bystander and helping? explain why is this appropriate test?
The researcher should use a chi square test of independence. This is because the researcher is interested in measuring if there is a significant relationship between two variables that are categorical.
a researcher is interested how the bystanders influence helping behavior .The researcher counts the number of...
1. For each research example, determine if there are main effects and/or an interaction AND explain what those findings mean. A researcher is interested in the effects of ambiguity and number of bystanders on helping behavior. Participants fill out a questionnaire in a room with zero or two other people who appear to be other subjects but are not. The experimenter distributes the questionnaire and then goes into the room next door. After 5 minutes there is a loud crash,...
A researcher is interested in determining whether there is a relationship between the weekly number of room air-conditioning units sold and the time of year. What type of descriptive chart would be most useful in performing this analysis? Explain your choice.
A researcher is interested in determining whether difficulties experienced during giving birth have any influence on the eventual development of mother/child relationship. By examining hospital records, the researcher identifies women who had easy and difficult deliveries and gives them a questionnaire measuring the quality of relationship between mother and child. An independent samples t-test is performed and the following summary of the results is obtained: Descriptive Statistics Variable Mean SD n Difficult Delivery 82 9.62 5 Easy Delivery 68 8.37...
A researcher is interested in examining whether different practice strategies have an influence on the accuracy of basketball players' free throws. The researcher collected data from a sample of 18 participants who were classified in one of three groups: (1) 6 players who r eceived no special practice, (2) 6 players who spent 30 minutes just imagining that they were shooting baskets, and (3) 6 players who spent 30 minutes actually practicing shooting baskets. After participating in the experiment for...
How do the people around you influence your behavior? Why is it important to develop a success network? Who is currently in your success network? What type of people do you still need to include in your success network?
The researcher from the Annenberg School of Communications is interested in studying the factors that influence how much time people spend talking on their smartphones. She believes that gender might be one factor that influences phone conversation time. She specifically hypothesizes that women and men spend different amounts of time talking on their phones. The researcher conducts a new study and obtains data from a random sample of adults from two groups identified as women and men. She finds that...
A sports researcher is interested in determining if there is a relationship between the number of home team and visiting team wins and different sports. A random sample of 526 games is selected and the results are given below. Find the expected frequency for E 2,2 to test the claim that the number of home team and visiting team wins are independent of the sport. Round to the nearest tenth if necessary. Football Basketball Soccer Baseball Total Home Team 38...
StatMechanics 4e: Question: The Dr. Michelle is interested in unconscious behavior hypothesizes that people touch their faces more when they are nervous. She makes one sample of n = 15 people anxious by having them complete a public speaking task (nervous group) and compares them to another sample of n = 17 people who work on a neutral puzzle task (neutral group). She counts the number of times participants touch their faces in each condition and finds that each group...
o A sports researcher is interested in determining if there is a relationship between the number of home team and visiting team wins and different sports. A random sample of 526 games is selected and the results are given below. Calculate the chi-square test statistie y used to test the claim that the number of home team and visiting team wins is independent of the sport. Use a 0.01 Home team wins Visiting team wins Football Basketball Soccer Baseball 39...
***Tutorial/screenshot of how to input this into SPSS! **** 3. A researcher is interested to learn if the level of interaction a women in her 20s has with her mother influences her life satisfaction ratings. Below is a list of women who fit into each of four levels of interaction. Conduct a One-way ANOVA on the data to determine if there are differences between groups; does the level of interaction influence women's ratings of life satisfaction? Report the results of...