During the Embryonic Period,the Ectoderm Is Formed,which Will Become the ____

question 247

Multiple Choice

During the embryonic period,the ectoderm is formed,which will become the ____.

• A)skin,hair,nails,sensory organs and nervous system
• B)muscles,bones,reproductive system and circulatory system
• C)digestive and respiratory systems
• D)hormonal and endocrine systems

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Definitions:

Variable Ratio Schedules

Are ratio schedules in which the number of times a behavior must occur before it is rewarded changes over time.

Variable Interval Schedules

Are interval schedules in which the amount of time that must pass before a reward is given can change from one reward period to another.

Fixed Ratio Schedules

Are ratio schedules in which the number of times a behavior must occur before it is rewarded remains constant over time.

Reinforcement Theory

A motivational theory suggesting that behavior is driven by its consequences, with rewards increasing the likelihood of repeating behaviors.