Answer:
The binomial name consists of a genus name and specific epithet. The scientific names of species are italicized. The genus name is always capitalized and is written first; the specific epithet follows the genus name and is not capitalized. There is no exception to this.
Answer:
The human body inhabits various microbes, which coexist and does not cause any kind of harm, these bacteria are considered as good bacteria and are known as microbiota. Even the skin comprises various categories of bacteria, that is, more than 500 species. These microbes demonstrate skin microbiota, that is, an effective system of safeguarding, which takes place in immune defenses.
The beauty of the skin is nearly associated with the balance of the microbes, which populate it, these are considered as the first line of defense from outside threats. When the bacterial ecosystem is differentiated and balance, the skin stays healthy.
It has been hypothesized that over-washing of hands diminishes the population of good bacteria from the skin. As it is considered that over-washing extricates the majority of the beneficial bacterial cells from the human skin. Hence, may result in the loss of natural microflora from the section of the skin.
Classification is as follows -
- Unblinded
- Single blind
- Double blind
- Double blind
- Single blind
During research performed in studies, it is highly important to not know the details of patients and the treatment they are receiving. This is called blinding and is commonly in practices in clinical trials involving randomized Controlled Trials (RCT). There are two types of trials namely, RCT and placebo. RCT aims to remove the involvement of biased treatment. For this, different people are assigned different treatment. Placebo involves assigning inactive medication in order to replicate the treatment consequences.
Coming back to blinding, it is of three types namely, single blinding, double blinding and triple blinding. Single blinding is the situation when usually the patient does not know about the treatment i.e. one party is blinded. Double blinding indicates that researchers and patients, both are unaware of the which specific treatment is received by whom. Triple blinding is the situation where only Principle Investigator holds information about the details of study. Here, patient and all the people involved in study are unaware of treatments assigned. In the case of unblinded trial, everyone is aware of the treatment being given.
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The complete question is -
Classify each of the hypothetical experiments as double blind, single blind, or unblinded. At least one experimental technique will be used more than once.
- A pharmaceutical company claims that their new eye drop formula is more effective at treating glaucoma than the standard one. A group of doctors decide to test the claim, and they ask their patients to choose which type of eye drop they would like to receive. The doctors keep track of the number of patients prescribed each formula that go blind within five years.
- A baker wants to test if his customers can taste the difference between his regular and his gluten-free chocolate cupcakes. He gives both cupcakes to each of 100 customers, randomly varying which type of cupcake is presented on the left. After tasting both cupcakes, he asks each customer which cupcake is gluten-free.
- A marketing researcher hires three different artists to design a new animal spokesperson for his company. The researcher has a favorite but wants to determine which will be most beloved by the American public. He sends out an anonymous online survey with pictures of the three animal spokespersons to 10,000 randomly selected people. In each survey, the position of the animal spokespersons on the screen is randomized.
- A researcher designs a clinical trial to test if a new medication is effective at relieving heartburn. Each participant in the trial is assigned a random number. Each number is associated with receiving either the medication or a placebo, both of which look and taste identical. The researcher does not have any direct contact with the participants.
- A psychologist wants to test whether playing classical music or white noise is more effective at getting children to fall asleep. She creates 500 classical music CDs and 500 white noise CDs. The CDs are visually indistinguishable. She assigns one CD at random to each of 1000 parents, and they administer the treatment. She monitors the children's sleep patterns from image-only videos and then asks the parents which type of CD they received.
