Examlex
The following table shows the results from a study to see if a home remedy ointment for mosquito bites worked better than a placebo. Each participant was randomly assigned to receive the home remedy ointment or the placebo ointment. "Improvement" means there were no symptoms of itching after three minutes.
The alternative hypothesis is that the home remedy ointment leads to improvement (in this case, less itching) . The p-value for a one-tailed Fisher's exact test with these data is . Suppose the study had turned out differently, as in the following table.
Would Fisher's Exact Test have led to a p-value larger or smaller than 0.618?
Chromosomal Abnormalities
Variations in the number or structure of chromosomes that can lead to birth defects, developmental delays, or genetic disorders.
Amniocentesis
A procedure for prenatal screening for chromosomal abnormalities conducted between the eleventh and eighteenth weeks of pregnancy. With the assistance of ultrasound, a needle is inserted into the amniotic sac via the abdomen and a small amount of amniotic fluid withdrawn. Cells contained in the fluid are then cultured in the lab.
Intellectual Disability
A term used to describe a condition characterized by significant limitations in both intellectual functioning and in adaptive behavior, which covers many everyday social and practical skills.
Learning Disability
a condition that affects a person's ability to acquire and process information, impacting skills such as reading, writing, and math.
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