An experimenter studies the effect of type of music during practice on recall of word lists using rock background music for 20 subjects, classical music for 22 others, and country/western for another 25 . What kind of experimental design is this?
a. One-way, between-subjects c. Two-sample, between-subjects
b. One-way, within-subjects d. Two-sample, within-subjects
A
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When the neural tube fails to close in the middle or lower regions during the embryonic stage, it leads to a neural tube defect such as __________.
A. Down syndrome B. PKU C. spina bifida D. brain injury
Barbara is in a car accident and experiences neck pain immediately afterward. Doctors say that any injury to her neck will heal within two weeks of the accident. Nine months later, Barbara begins to visit her doctor weekly, saying the pain is still unbearable and she needs stronger pain medication. What is a reasonable diagnosis?
a. somatic symptom disorder with somatization features b. depersonalization disorder c. illness anxiety disorder d. somatic symptom disorder with predominant pain (pain disorder)
When Sara misbehaves, her parents respond by not allowing her to watch TV for a certain amount of time. Her parents are using which method of discipline?
a. escape learning b. avoidance learning c. negative reinforcement d. positive reinforcement e. punishment
When the veterinarian advised an owner to feed her dog in the morning instead of in the evening, it took several days for the dog to stop salivating late in the afternoon around its previous dinnertime. The gradual decrease in salivation across days is an example of:
A) spontaneous recovery. B) extinction. C) generalization. D) second-order conditioning.