Understanding mediation full mediation and partial mediation
Today I will teach you about the difference between full mediation and partial mediation There has been a great deal of confusion regarding statistical terms like mediation, moderation, interaction, confounding, synergy effect, intervening variable, control variable, co-variate etc. In this series of articles, I’ll briefly describe each of these term by providing suitable examples. I’ll […]
Confidence Intervals for the Mean When σ Is Unknown
Today i will teach you about Confidence Intervals for the Mean When σ Is Unknown When σ is known and the sample size is 30 or more, or the population is normally distributed if the sample size is less than 30, the confidence interval for the mean can be found by using the z distribution, as shown in Section 7–1. […]
Confidence Intervals and Sample Size
Today I will tech you about Confidence Intervals and Sample Size The main objective of this section is to explain the basics of estimating a parameter such as a mean, proportion, or variance. Sample measures (i.e., statistics) are used to estimate population measures (i.e., parameters). For example, a sample mean is used to estimate a […]
How to Interpret Chi-Square Output in SPSS
Todayi will teach you How to Interpret Chi-Square Output in SPSS Output You will be presented with some tables in the Output Viewer under the title “Crosstabs”. The tables of note are presented below: The Crosstabulation Table (Gender*Preferred Learning Medium Crosstabulation) Published with written permission from SPSS Statistics, IBM Corporation. This table allows us to […]
How to Conduct Chi-Square Test using SPSS
Today i will teach you How to Conduct Chi-Square Test using SPSS Test Procedure in SPSS Statistics The 13 steps below show you how to analyse your data using a chi-square test for independence in SPSS Statistics. At the end of these 13 steps, we show you how to interpret the results from your chi-square […]
Assumptions of Chi-Square Test using SPSS
Today i will Teach you the Assumptions of Chi-Square Test using SPSS Introduction The chi-square test for independence, also called Pearson’s chi-square test or the chi-square test of association, is used to discover if there is a relationship between two categorical variables. SPSS Statistics Need Help with Researchers or Data Analysts, Lets Help you with […]
Types of Research Methods
Today i will discuss the Types of Research Methods Business research methods can be defined as “a systematic ad scientific procedure of data collection, compilation, analysis, interpretation, and implication pertaining to any business problem”. Types of research methods can be classified into several categories according to the nature and purpose of the study and other attributes. In […]
How to Conduct and Interpret a Multinomial Logistic Regression
Today I will teach you how to Conduct and Interpret a Multinomial Logistic Regression in SPSS What is Multinomial Logistic Regression? Multinomial Logistic Regression is the regression analysis to conduct when the dependent variable is nominal with more than two levels. Similar to multiple linear regression, the multinomial regression is a predictive analysis. Multinomial regression is […]
Understanding Three-way Interaction in ANOVA
Today i will teach you in Understanding Three-way Interaction in ANOVA Consider the three-way ANOVA, shown below, with a significant three-way interaction. There are 24 observations in this analysis. In this model a has two levels, b two levels and c has three levels. You will note the significant three-way interaction. Basically, a three-way interaction means that one, or more, two-way […]
Difference between One-tailed and Two-tailed Tests
Today, i will teach you about the Difference between One-tailed and Two-tailed Tests When you conduct a test of statistical significance, whether it is from a correlation, an ANOVA, a regression or some other kind of test, you are given a p-value somewhere in the output. If your test statistic is symmetrically distributed, you can […]
