Chapter 1
... Measurement is the process of comparing a value to a standard Statistics is a mathematical tool used ...
... Measurement is the process of comparing a value to a standard Statistics is a mathematical tool used ...
TEST:CHAPTERS 11-14
... Given a laboratory study that compared learning from text in two conditions, one with underlining of important terms and one without underlining, and found that the underlining group did better on factual items, Marina conducted a study with tenth-grade history students and compared one group that r ...
... Given a laboratory study that compared learning from text in two conditions, one with underlining of important terms and one without underlining, and found that the underlining group did better on factual items, Marina conducted a study with tenth-grade history students and compared one group that r ...
Lecture6 - University of Idaho
... summarized by its statistical moments First Moment: Mean—location of distribution on x-axis Second Moment: Variance—dispersion of distribution Third Moment: Skewness—symmetry of distribution Fourth Moment: Kurtosis—degree of “peakedness” ...
... summarized by its statistical moments First Moment: Mean—location of distribution on x-axis Second Moment: Variance—dispersion of distribution Third Moment: Skewness—symmetry of distribution Fourth Moment: Kurtosis—degree of “peakedness” ...
Statistics Made Easy
... example) • In a t-test, in order to be statistically significant the t score needs to be in the “blue zone” • If α = .05, then 2.5% of the area is in each tail ...
... example) • In a t-test, in order to be statistically significant the t score needs to be in the “blue zone” • If α = .05, then 2.5% of the area is in each tail ...
A Test for Normality
... 3. You will see a “probability plot.” If the data comes from a population that is close to normal, the points will cluster around a line as they do below: ...
... 3. You will see a “probability plot.” If the data comes from a population that is close to normal, the points will cluster around a line as they do below: ...
Chapter 1 Study Guide
... What problems result from the overuse the of “common sense” approach to studying behavior? ...
... What problems result from the overuse the of “common sense” approach to studying behavior? ...
Knowing What Students Know
... Early 1900s Bell Curve Assumptions Focus on aptitude not achievement ...
... Early 1900s Bell Curve Assumptions Focus on aptitude not achievement ...
Inferences about Means of Dependent Samples and Statistical
... Paired-Samples t-tests 2 samples are statistically related Less affected by individual differences reduces variance due to error Repeated-measures 2 measurements on same individual Matched-subjects Match pairs on some variable(s) Split pairs into 2 groups ~ ...
... Paired-Samples t-tests 2 samples are statistically related Less affected by individual differences reduces variance due to error Repeated-measures 2 measurements on same individual Matched-subjects Match pairs on some variable(s) Split pairs into 2 groups ~ ...
Appraisal in Counseling
... professional to another. How much confidence can I put in this instrument’s scores? Will I consistently get the same scores every time I administer the instrument? Do the scores really measure the concept or construct I want to measure? What can this instrument tell us? What can it not tell us? What ...
... professional to another. How much confidence can I put in this instrument’s scores? Will I consistently get the same scores every time I administer the instrument? Do the scores really measure the concept or construct I want to measure? What can this instrument tell us? What can it not tell us? What ...
Lecture 25
... Testing for Statistical Significance •State the null hypothesis •Choose the statistical test •Select the desired level of significance •Compute the calculated difference value •Obtain the critical value •Usually the software now provides the standard significance values and the f or t values. Based ...
... Testing for Statistical Significance •State the null hypothesis •Choose the statistical test •Select the desired level of significance •Compute the calculated difference value •Obtain the critical value •Usually the software now provides the standard significance values and the f or t values. Based ...
LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
... vegetable oil. In another sample of 400 persons from city Y ,200 are found to be consumers of vegetable oil. Discuss whether the data reveal a significant difference between two cities in consumption of vegetable oil. 12. Obtain the UMP Test for testing Ho: θ = θo versus H1: θ > θo when the random s ...
... vegetable oil. In another sample of 400 persons from city Y ,200 are found to be consumers of vegetable oil. Discuss whether the data reveal a significant difference between two cities in consumption of vegetable oil. 12. Obtain the UMP Test for testing Ho: θ = θo versus H1: θ > θo when the random s ...