Your mother must always have an early morning cup of coffee. She usually has several more cups throughout the day. If she misses her daily doses of coffee, she gets a headache. The fact that your mother experiences headaches when she discontinues the use of caffeine is an example of
A. a hypnogogic reverie.
B. physical dependence.
C. a circadian rhythm anomaly.
D. psychological dependence.
Answer: B
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Select the data for which a t-test would be the most appropriate statistic.
A. testing the relationship between weight and height of toddlers B. testing reaction times of participants who have had either 4 or 8 hours of sleep C. testing the effects of acidity and heat on three different brands of orange juice D. testing to see whether cancer deaths decrease as exercise increases
According to Freud, our unconscious mind contains:
a. thoughts that occupy the focus of current attention b. inactive, but potentially accessible, thoughts and memories c. memories of environmental stimuli that were below our absolute threshold d. memories, urges, and conflicts that are inaccessible and beyond awareness
Around what age do we typically see the emergence of holophrases?
A) Two years B) 12–18 months C) 6 months D) 18–20 months
In SPSS, what series of options do you choose to conduct a Pearson’s r?
a. Analyze ? Correlate ? Bivariate b. Analyze ? Descriptive Statistics ? Crosstabs c. Analyze ? Correlate ? Partial d. Analyze ? Correlate ? Distances