How does a t test differ from a z test in terms of when it is used, how it is calculated, and how we determine significance?
What will be an ideal response?
A t test differs from a z test in that s is not needed to make the calculations and the sample size should be smaller (30 or lower), whereas for a z test s is known and the samples are 30 or greater. The calculations are similar except that with a t test they are based on using s (the estimated standard deviation) rather than s. The z test has set critical values to determine significance and the critical values for the t test vary based on sample size.
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"Our understanding of behavior must include an understanding of observable behavior as well as cognitive processes." Which theorist might have said that?
A. Albert Bandura B. Sigmund Freud C. Abraham Maslow D. Carl Rogers
Four participants sign up for an experiment examining the effects of alcohol on sociability. One participant is given an alcoholic beverage to drink and is told that it is alcohol. A second participant is given an alcoholic beverage to drink but is told that it is nonalcoholic. A third participant drinks a nonalcoholic beverage but is told that it contains alcohol, and a fourth participant is
given a nonalcoholic beverage and is told that it is nonalcoholic. Suppose that the effects of alcohol on sociability were entirely due to expectancy effects. Which participant(s) would behave more socially after drinking? A) the second participant only B) the third participant only C) the first and third participants D) the first and second participants
Hormones have effects similar to natural opiates
Indicate whether this statement is true or false.
One of the most important paradigm shifts in mental health care in recent years is supplementing treatment with __________
FIll in the blank with correct word.