Answer:
Observational study
Explanation:
An observational study is a type of study in which individuals are observed and certain measures are measured but there's no intend to affect the actual outcome. In other words, no treatment is given to the individuals and there's no intervention done by the researcher.
In this example, the study aims to evaluate the percent of adults whose right cerebral hemisphere is larger than the right hemisphere. 20 people come and have their brains scanned. Then, the scan is analyzed to identify which hemisphere is larger.
In this study, we can see how <u>individual's brains were observed and some measures were taken but there was no treatment given to them</u> (the researchers were only interested in knowing which hemisphere was bigger).
Thus, this is an example of observational study.
Answer:
the missing word is intellectual development
Explanation:
Binet and Simon assumed that children generally follow the same path of intellectual development, so their primary goal in creating an assessment was to compare the mental abilities of an individual child with the mental abilities of other children in the same age category.
intellectual development means the growth of a child's ability to think and reason. It's also about how they organize their minds, ideas and thoughts to make sense of the world they live in for example how they begin to reason and argue, uses words like why and because.
Answer:
D.It gives it a more adventurous tone
Explanation:
Perilous is a word that expresses adventure, risks and danger, perilous is often used to described a journey that can be full of dangers and unknown things, that is why the use of the word perilous on the paragraph gives it a mor adventurous tone, because of the correlation that a risky and dangerous trip has with adventure.