What are one advantage and one disadvantage of using all possible orders to balance practice effects in the incomplete repeated measures design?
What will be an ideal response?
The advantage of using all possible orders, the preferred method for balancing practice effects in the incomplete repeated measures design, is that every condition occurs in every ordinal position and precedes and follows every condition in every ordinal position. The disadvantage of using all possible orders is that it is generally limited to experiments with four or fewer conditions. [With four conditions, there are 24 possible orders, requiring at least one subject assigned to each.]
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One of the concerns associated with treating a child with frequent somatic symptoms that are psychologically based is that over time the child may ______
a. become reinforced by the attention associated with being "sick" b. actually become physically ill from unnecessary medical procedures c. die from invasive medical tests and procedures d. reject parental affection and attention
All of the following are hunger signals with the exception of __________
a) blood glucose levels are low. b) high levels of insulin in the blood. c) stomach contractions. d) CCK in the blood.
Which of the following statements about toddlers' vocabularies is true?
A) Most children show a steady rate of word learning that continues through the preschool years. B) Toddlers undergo an initial spurt in vocabulary around 18 months. C) Toddlers transition from a faster to a slower language learning pace around 18 months. D) Young toddlers add to their spoken vocabularies at a rate of three to five words a week.
About 20 percent of older hip fracture patients __________
A) fully recover mobility B) die within a year of the injury C) never regain the ability to walk unassisted D) avoid activities because they are afraid to fall