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