What is rat model?

The Replacement, Amplification, Transformation (RAT) framework is a technology integration model and assessment tool that instructors can use to critically consider how their integration of technology in their classrooms serves their students and themselves.

What is the rat model lesson plan?

RAT is a framework that can be used by teachers to develop lesson plans in their classroom that allows the iPads, laptops, and other forms of technology that students are given or bring into class with them as learning tools, and not just distractions that occasionally have a useful function.

What is rat technology?

A RAT (remote access Trojan) is malware an attacker uses to gain full administrative privileges and remote control of a target computer. RATs are often downloaded along with seemingly legitimate user-requested programs -- such as video games -- or are sent to their target as an email attachment via a phishing email.

What are the benefits of the rat model?

What are the advantages of using rats in human disease research? Rats are an ideal choice for many labs due to their physiological similarity to humans. Also, since rats are easier to feed and smaller in size than other complex mammals, such as primates, they are a more convenient option for many researchers.

What is the difference between SAMR and rat?

RAT (Replacement, Amplification, Transformation) Model

RAT is a simpler and more practical version of the SAMR model. Compared to the SAMR model, it avoids the ambiguity connected with the difference between the second and third level; here the two levels are put together into one AMPLIFICATION stage.

Understanding educational technology - the RAT and PICRAT models

What does the SAMR model stand for?

The SAMR Model is a framework created by Dr. Ruben Puentedura that categorizes four different degrees of classroom technology integration. The letters “SAMR” stand for Substitution, Augmentation, Modification, and Redefinition.

What is rat learning?

The Replacement, Amplification, Transformation (RAT) framework is a technology integration model and assessment tool that instructors can use to critically consider how their integration of technology in their classrooms serves their students and themselves.

What is the most common rat model?

Scientists have bred many strains or "lines" of rats specifically for experimentation. Most are derived from the albino Wistar rat, which is still widely used. Other common strains are the Sprague Dawley, Fischer 344, Holtzman albino strains, Long–Evans, and Lister black hooded rats.

What are the disadvantages of rats?

Because rodents tend to nibble on many foods, they destroy considerably more food than they consume. They also contaminate stored foods with their droppings and urine. Rodents cause structural damage to buildings by their gnawing and nest building activities.

What is the rat social interaction model?

The social interaction test in the rat has been widely used to evaluate anxiety (File, Ouagazzal, Gonzalez, & Overstreet, 1999), but has also been proposed as a model for antipsychotic activity using acute or repeated administration of NMDA antagonists to decrease social investigation (Becker & Grecksch, 2004; Rung, ...

What does the acronym rats stand for?

RATS, an abbreviation of Regression Analysis of Time Series, is a statistical package for time series analysis and econometrics.

What does RAT mean in 5G?

A radio access technology (RAT) is the underlying physical connection method for a radio communication network. Many modern mobile phones support several RATs in one device such as Bluetooth, Wi-Fi, and GSM, UMTS, LTE or 5G NR.

How does RAT control work?

Baiting and Trapping

Exterminators intentionally place rodenticide baits in areas where rats are likely to encounter them. These baits contain poison that is lethal to rats. However, rodenticides must be used cautiously because of the possible hazards to pets, wildlife, and humans.

What is the Alzheimer's model rat?

The model rats start accumulating oligomeric intracellular Abeta in the cortex and the hippocampus as soon as 1 week postnatally, leading to the accumulation of extracellular Abeta and eventually the formation of neuritic plaques at the age of 6 months (in homozygous animals only), with progressive cognitive decline ...

What is the 4 A's lesson plan model?

Choose a topic that you want the children in your class to learn and apply the 4-A's of activating prior knowledge, acquiring new knowledge, applying the knowledge, and assessing the knowledge. For example, you may want to teach a lesson on astronomy.

What is the 5 step lesson plan model?

The five steps involved are the Anticipatory Set, Introduction of New Material, Guided Practice, Independent Practice and Closure.

What are the pros and cons of a rat?

How agile are rats?

Rats are Extremely Agile

Speaking of sneaking your home from above, rats are also able to use overhead power wires or other cables to see if they can enter via your roof or a negligently opened attic window.

What is the main problem with rats?

Why must rats be controlled? Rats can transmit many diseases to humans, including Salmonellosis (food poisoning) and Weils disease. They can also spread listeria, pasteurella, leptospira and worms. They can also cause cryptosporidia and toxoplasma.

Are rat models predictive for humans?

Howard Jacob notes that rats and humans are 90% identical at the genetic level. However, the majority of the drugs shown to be safe in animals end up failing in clinical trials. "There is only 10% predictive power, since 90% of drugs fail in the human trials" in the traditional toxicology tests involving rats.

What are the rat standards?

Rats should be of a good size for their sex and age, and not be severely obese or underweight. They should be devoid of any wounds (open or healing), scabs, lumps, lesions or skin irritations. A rat should be well groomed. Their bodies should be clean of debris, dirt or grime, nails should be trimmed, and tails washed.

What is the rat model of PCOS?

The main method used to generate rodent models of PCOS was subcutaneous injection or implantation of androgens, estrogens, antiprogestin, or aromatase inhibitor. Androgens were administered to animals pre‐ or postnatally. Alterations in the levels of kisspeptin and related molecules have been reported in these models.

What is rat thinking?

Rats have a complex form of thought once known only in humans and other primates—specifically, metacognition, or the ability to mull over what one knows.

What is the resistance training rat model?

One of those models is weighted ladder climbing in which rats climb a vertical ladder (~80° incline) with progressively increased weights affixed to the base of the tail over the course of several weeks of RES.

What are the 4 steps of SAMR?

The SAMR Model categorizes online education into four different phases or tiers: “Substitution,” “Augmentation,” “Modification,” and “Redefinition.” Most educators who make the transition to virtual learning focus solely on the first 2 phases, which involve substituting conventional materials with digital versions, ...