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| if you reject the null you are stating that two pop._____ |
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| the groups mean scores only reflect only the ______ ________of the two groups |
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| arithmetic avg of a group of numbers |
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| a measure of the extent to which a group of scores vary about their mean |
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| the avg of the sum of the squared deviations of teh scores about their mean |
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| mechanism that allows us to make an infernece to the pop. from data collected on a sample of research participants |
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| the mean of the t disturbtion is = to |
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| the probalilty that the differnece btwn the mean scores of the experimetnal and control groups is due to chance |
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| a statistical procedure for analyzing data obtained from a btwn-participants design with more than 2 lvls of the IV and/or more than one ind variable |
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| the simplest form of anova is |
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| a statistical test for analyzingn data collected with a simple randominzed design |
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| a measure of the overall variablility of he scores obtained from a given experimental design |
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| summing the sq dev. of all the scores from the mean of all the scores |
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| variablilty arising from the effect of the IV and chance factors |
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| the total variation can be divided into 2 estimates of ind. variation ____ and ______ |
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measure of the variation of the response of the research participants with in the experimental treatment groups
a measure of chance variability |
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| a variance estimates obtained by dividing a sum of squares by its appropritate df |
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| the ratio of 2 variance estimates used as a test of the effect of an IV |
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| MSbtwn= btwn-groups variance/df |
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| MSw/in= w/in-groups variance/df |
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| as the ratio approaches 1, the % increases that chance explains the differnce _____ __ ____ |
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| the fact that the f ratio is much greater than 1 suggests that the btwn groups differences were not ______ __ ______ |
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| false rejection of the null |
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| failure to reject the null when its false |
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| the most common used statiscal measure of degree of relationship btwn 2 var. |
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| pearsons product moment correlation coefficient |
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| increase in one variable corresponds to an increase on the other var. |
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| when an increse in one var. corresponds to a decrease on the other |
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| range from -1 to 1...these are the _______relationship that can exist |
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if you have conducted an experiment that hypothesis that people whi are depressed increase their intake of simple carbs over nondepressed indivuals and this hypo is confirmed then you are,
a.)stating that simple carbs cause depression
b.)staing a null
c.)staing a scientific hypo
d.)stating that there are 2 pop. with regard to consupmtions of carbs |
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| stating that there are 2 pop. with regard to consupmtions |
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if you conducted a study in which you randomly assigned people to 2 groups and tested them on a measure of attention, which statiscal test would you use to determine whether the 2 groups differed on the measure of attention
a.)2-wayanova
b.)one-way
c.)t test |
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if you conducted a study in which there were 25 people randomly to each of 2 groups, how many df would you have if you analyzed this data with a t test
a.)50
b.)48 |
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when conducting a 1 way anova the w/in and btwn variation should equal
a.)the tot var.
b.)mean sq tot
c.) f ratio |
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if you have conducted your statistical analysis and the results state that you can reject the nll but in fact is incorrect you have
a.)type 1
b.) type 2 |
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if you wanted to measure the degree of relationship that existed btwn two variables you would conduct a
a.)t test
b.) correltion coeffient
c.) f test |
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