What is the function of the independent-samples t-test?
What will be an ideal response?
Ans: It is a statistic used with two different groups of participants in two levels of an IV or quasi-IV with one interval or ratio DV. Its purpose is to determine whether there is a statistically significant difference between the means of the two groups.
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Dysphoria is the most prominent symptom of a. depression
b. creativity. c. Alzheimer's disease. d. Parkinson's disease.
Patients undergoing the procedure called orgasmic reconditioning are instructed to a. masturbate to their usual fantasies but to substitute more desirable ones just before ejaculation
b. masturbate to their usual fantasies but substitute images of the consequences associated with their behavior (such as getting caught, hurting someone else, etc.) just before ejaculation. c. substitute images of the consequences associated with their behavior (such as getting caught, hurting someone else, etc.) every time they feel aroused by thoughts of their inappropriate desires. d. watch video tapes of normal adult sexuality repeatedly until such images result in arousal.
Which of the following is a known factor that increases the probability of SIDS?
a. the family having pets b. sleeping stomach-down instead of flat on the back c. having average birth weight and a high Apgar score d. the infant being born in the morning
In making decisions, teenagers __________
A) are more likely than adults to avoid potential losses B) take far greater risks than adults in their twenties C) are more effective than adults under unemotional conditions D) are more effective than adults when they must inhibit emotion