REPORT Activity 2: Twitch Contractions and Summation PREDICTIONS Effect of Muscle Fiber Length on Contraction 1. As muscle fiber length increases: contraction force increases‚ becoming maximum at an optimal length‚ then decreasing at longer lengths. Effect of Stimulation Frequency on Contraction 2. As the frequency of stimulation increases‚ the force of contraction: increases. MATERIALS AND METHODS Measurement of Threshold Stimulus 1. Dependent Variable: contraction force. 2. Independent
Premium Muscle Myosin Muscular system
countries‚ made a commitment to provide timely stimulus to domestic demand while maintaining a sustainable medium-term fiscal strategy (Swan & Tanner‚ Updated Economic and Fiscal Outlook‚ 2009‚ p. 35). In December 2008 the government introduced a $10.4 billion stimulus package; the Economic Security Strategy‚ and in February 2009 the $42 billion National Building and Jobs plan was introduced (see Appendix A for details of the Stimulus). The aim of both stimulus packages was to stimulate the economy as
Premium Public finance Monetary policy Keynesian economics
Title Assessing the Validity of Varying Points of View Assessment A‚ Part 2: Assessing the Validity of Statements in a Discussion Explain why "Some people think that online education is not as effective as a traditional classroom" is unreasonable. This is unreasonable‚ unless a person has experienced both forms of education they should not make statements like that. That statement may not exist to a person that has experienced both. Some people may only be able to be in a traditional classroom
Premium Education Educational psychology History of education
The Fiscal Stimulus‚ Flawed but Valuable But I’m also an empirical economist who’s spent a career trying to estimate the effects of monetary and fiscal policy. So let me put on my empiricist’s hat and evaluate what we know about the legislation’s effects. After listening to Representative Paul Ryan in the vice-presidential debate‚ you might think that careful evaluation isn’t needed. In his view‚ we spent $800 billion on the stimulus‚ yet unemployment still rose to 10 percent — so obviously it
Premium American Recovery and Reinvestment Act of 2009 Monetary policy Keynesian economics
Activity 1 – The Muscle Twitch and Latent 1) Define the terms skeletal muscle fiber‚ motor unit‚ skeletal muscle twitch‚ electrical stimulus‚ and latent period. Skeletal Muscle Fiber: Skeletal muscle cells that are composed of hundreds to thousands of individual cells that produce muscle tension. These fibers are what move our bodies and generate muscle tension/force that enables us to have manual dexterity. Motor unit: consists of one motor neuron and all of the skeletal muscle fibers that
Premium Muscle Muscular system Myosin
is noted as the wavelength. White light is a culmination of all colours which is the cause of it being the brightest. Furthermore‚ when the wavelength is larger‚ the energy that is being directed is spread out across a larger distance which explains why red light (700 nanometres) is often less visible then a blue or violet light (400nm). Light when travelling in the electromagnetic spectrum in a void always has a constant speed of 3x108 m/s. When this passes through a solid or liquid which consists
Premium Light Electromagnetic radiation Electromagnetic spectrum
Investigating Factors that Affect the Strength of an Electromagnet Aim: To investigate the factors‚ which affect the strength of an electromagnet‚ also known as it’s‚ pick up power. Predictions: The more coils of wire used on the electromagnet then the greater number of paper clips picked up. Also The greater the current the greater the number of paper clips picked up. There will also be a limit to the amount of magnetism created and how many paper clips can be picked up
Premium Magnetic field
Simple Stimulus Learning In the following analysis of various forms of simple stimulus learning‚ the concept of habituation‚ including many examples will be studied and explained. Three factors that affect perceptual learning will be analyzed. Those factors include presenting contrasting stimuli‚ transfer from easy to difficult stimuli‚ and attention and feedback. The following effects of stimulus exposure will be examined: Preference for familiar stimuli‚ priming facilitation‚ and potentiated
Premium Learning Psychology
Parents expectations affect the behavior of their children because they get motivated and have self-expectation. Parental expectations can be beneficial in helping the child reach success. The beneficial Parental expectations are that it can encourage kids to do better‚ never gave up‚ and to go for success. Parents who always praise their children for doing a good job can encourage their children to do even better. And this is because they know that if they work harder their parents will praise
Free Parent Mother
Simple Stimulus Learning Lauren N. Jones Psychology 550 February 28‚ 2011 Dr. Rachel Needle Simple Stimulus Learning “Stimulus learning is a relatively permanent change in behavior‚ or behavior repertoire which occurs as a result of experience” (Terry‚ 2009). Since there is no possible way to observe knowledge itself‚ behaviors are our only source of observing what has taken place concerning learning. Learning is an inclusion of the potential for change in behavior. This change in behavior
Premium Psychology Learning Interpersonal attraction