Explain how we calculate a t score for two samples.
What will be an ideal response?
The independent samples t-test is similar to the other t-tests in that the sample t is a ratio of the mean difference observed between the samples and the mean difference expected by chance from the estimated standard deviation.
You might also like to view...
According to the discussion of single women,
a. currently there is a dramatic increase of research about never-married heterosexual women. b. married women are slightly more likely than single women to work outside the home. c. most single women would prefer to marry a less-than-perfect man, rather than to remain single for the remainder of their life. d. in general, married women live longer than single women.
Drugs that alter the availability of norepinephrine and serotonin are not clinically effective in the treatment of depression for several weeks. Which of the following does this finding suggest?
A. These neurotransmitters are not involved in depression. B. It is overactivity of these neurotransmitters that underlies depression, not underactivity. C. The effectiveness of antidepressants is a placebo effect, as opposed to the result of a biochemical manipulation. D. Changes in neurotransmitter function, as opposed to neurotransmitter level, cause depression.
The deviation IQ divides an individual's score by the _____, which allows for a more efficient measure of IQ among different age groups.
A) average test score of people in the same age group B) average test score of people in different age groups C) person's physical age D) person's mental age
Law enforcement officials have applied the findings of eyewitness memory research to ______.
A. suspect interrogations B. police lineups C. the chain of custody D. criminal trials