Psych B5 Ch11 practice quiz
You cannot use an independent samples t test if you have a within-subjects research design.
True
In an independent samples t test, you will have ______ sets of sample sizes and sample variance, therefore you must calculate ______ as part of the calculation of estimated standard error.
2, pooled variance
In a typical independent samples t test, we test the difference of sample means to 1.0.
False
A null hypothesis for the independent samples t test is ______.
H0:μ1 = μ2
In a between-subjects design, ______. Group of answer choices
all groups of individuals receive different levels of independent variables
The numerator of the t score formula for the independent-samples t-test is ________.
difference of the means
In hypothesis with two different groups, ______. Group of answer choices
it could be a one-tailed or two-tailed test
An independent samples t test is conducted when comparing ______.
means from two different samples
The shape of the t distribution for the independent sample t test depends on ______.
one degrees of freedom, dftota
The independent samples t test rests on the assumption that ______.
populations variances are equal