Finn is eighteen months old. he attends a child care center each day during the week. when his parents leave him at his classroom each morning, finn cries for a few minutes in the afternoon once his parent return finn immediately runs to them and holds up his hands. finn can be said to have

a. disorganized attachment
b. secure attachment
c. resistant attachment
d. avoidant attachment

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a study of twenty 4th grade classrooms in which researchers ask the schools to systematically vary the time of day reading is taught, and collect weekly assessments of reading comprehension for each child over a three-month period. the collection of data, by a playground designer hired by the superintendent of schools, about the physical dimensions of school playgrounds, presence of fencing, and the kinds of equipment currently provided. a feasibility study for implementing a year-round school program, focusing on economic issues such a facilities utilization and transportation costs. an analysis of aggregate data comparing statewide high school graduation rates provided by the state department of public instruction, using county tax information.

Using mr smith and his id, identify two potential internal validity threats that might affect the a—b design. tell me how that threat might impact conclusions in the a—b design. note #1: you cannot use maturation (since i already did that one for note #2: there are some mr smith id threats that won’t have much impact in a single case design.

(needed) if you have read the anne frank "the diary of a young girl" book then i may need your . i need you to do a full, accurate book review that would make up for 10 powerpoint slides. the review will include a full summary of each part. will mark brainliest