Scientists have been studying life on Earth for so long that they are fairly confident about the number of species currently living on the planet.

What type of assessment does each description refer to? It involves presenting an array of items in which the individual is instructed to choose one. Selected Items might or might not be replaced in the array: Adult-mediated reinforcer survey to gather information about one potential preferred people, places, things, and activities: Involves the presentation of two stimuli at a time and recording which one the individual selects: Involves observing the level of behavior when followed by a specific item to assess the effectiveness of an item as a reinforcer: Involves the presentation of one single item at a time and the recording of whether or not the individual selects the item: Involves observing how long the client spends with each available item:

Most scientists think that feathers evolved to to help birds

Who is credited with the development of the periodic table?

1. Select three of the operants below and describe them in terms of the controlling variables (antecedent), the response (behavior), and the maintaining variable (consequence).  2. Provide one example for each of the six operants below Mand Tact Echoic Intraverbal Textual Listener

When collecting a blood culture specimen directly from a syringe into blood culture bottles, which should be filled first?

An increase in the current frequency of behavior that has been associated with a particular consequence represents the effect of MOs. A decrease in the current frequency of behavior that has been associated with a particular consequence represents the effect of MOs. An increase in the reinforcing value of some stimulus, object, or events represents the effect of MOs.  A decrease in the reinforcing value of some stimulus, object, or events represents the effect of MOs. 

What type of precaution would a client suspected of tuberculosis be placed on?

Terms used to identify components of the chain of infection include

Conductors, such as ________, are capable of _________.