In which sleep disturbance does the person suffer from muscle twitches, primarily in the legs, that occur every 20 to 40 seconds, severely interrupting his or her sleep?
a. narcolepsy
b. somnambulism
c. hypnic jerk syndrome
d. periodic limb movement syndrome
D
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Answer the following statements true (T) or false (F)
1 In a double-blind observation, the researcher but not the participant knows the purpose of the study 2 A normal distribution is symmetrical around its peak 3 In a frequency distribution, the average score for each group is plotted on the vertical axis 4 One feature of a normal distribution is that the mean is usually greater than the median 5 One feature of a normal distribution is that it is usually positively skewed
Young children are more likely to be "morning people" than older adults.
Answer the following statement true (T) or false (F)
According to the ACA and NBCC ethical guidelines related to testing and assessment, professional counselors
a. Are obligated to inform clients of the intended purpose of the assessment results only when the results will be released to a third party b. Do not need client consent to release test results when the results do not include any identifying client information c. Should be only assessment instruments in which they are expert d. Do not need to consider the multicultural limitations of the selected instrument when assessing a Caucasian male client
______ disorder involves deriving sexual pleasure from inflicting pain or humiliation on others.
a. Sexual sadism b. Fetishistic c. Sexual masochism d. Exhibitionistic