The purpose of this laboratory was to investigate the linear relationship between the index of difficulty and movement time. Furthermore, the target width-amplitude relationship was observed. The goal was to determine the effect of task difficulty on movement time. Based on Fitts’ law, it was hypothesized that the relationship between movement time and index of difficulty would increase linearly.…
|Light Condition |Final pH |Water Movement (GROUP |Water Movement (CLASS |Photosynthesis Rate |Photosynthesis Rate |…
I recorded the heart rates for each subject for each game. To see if there heart rates increased while playing each different game. I had three test subjects for each game. The Just Dance test subjects heart rate on average increased by 35 beats per minute. The Deca Sports test subjects heart rate on average increased 27 beats per minute. The Zumba Kids test subjects heart rate on average increased 53 beats per minute. The three test subject had the highest increase in heart rate playing Zumba…
Brandon K.Vaughn, Sarah R. Daniel . (2012). Validity . In: Gershon Tenenbaum, Robert C. Eklund, Akihito Kamata Measurement in sport and exercise psychology. Leeds : Human Kinetics . 33-39.…
The purpose of this experiment is to determine the response time for dominant and non-dominant hand for visual stimuli, and using only dominant hand to test auditory and tactile response. Also, to test involuntary the response time for the reflex of the knee from calculating the distance. Based on my group hypothesis, we said that visual stimulus dominant hand had a faster response time than non-dominant hand because the dominant hand is use more often thus repetition creates stronger connection. For only dominant we said that auditory response has the fastest reaction time because the auditory stimuli gets process faster compare to tactile and visual that has to travel longer to reach frontal lobe for response decision. For involuntary response,…
3 Watch each part of the experimental demonstration and make preditions about wht will happen in each scenario . Record your preditions and observations in the Data an Observations section of your labatory report format.…
Lichens are a sybiotic association of fungus (mycobiont) and algae (Pediastrum boryanum . The fungus engulfs the algae, then supplies carbs, nitrogen, and vitamins while the algae photosynthesizes. This unusual relationship enables the lichen to grow in environments where neither fungus nor algae would normally be able to solely survive. They are found on every continent, ranging all the way from the freezing Arctic to the sweltering grasslands of Africa. Even though they can live in such extreme conditions, they do require clean air. This is why they are excellent environmental indicator. An indicator species is an organism whose presence or absence reflects the overall health of an environment. Lichens flourish where there is good air quality; however, they cannot survive where the air is polluted and toxins loom. This is because they have no stomata, or pores, to shut to keep the toxins out; therefore, absorbing all of the pollutants in the air. Because they are such unique organisms, they accumulate different metal anions in the air than other organisms, like plants do, for example. Lichens attract toxic metal ions. An ion is a charged atom. If the ion has a positive charge, it is a cation. An ion with a negative charge is an anion. During the ion exchange process, Hydrogen, an anion, is released and metal cations move in. This process occurs when lichens are exposed to polluted air. When the lichens are dropped into any of the metal solutions, their cell wall releases the methylene blue ions, which are replaced by metal cations. Upon their detachment, the ions integrate into the solution, which in turn, colors it blue. The darker the solution, the more metal cations taken in by the lichen. Valence is a measure of how much an atom wants to combine with something else. If the valence of a metal ion affects lichen uptake, then the higher the cation, the…
Research Question How will the addition of different pH buffers to amylase affect the rate of starch digestion measured using starch and iodine?…
proposes potential methods to test for reaction time, as well as lists out possible error that could occur…
Participants were also tested on their vision, and those that didn’t have 20/20 were given corrective lenses. The fitness assessment evaluated in this study was called the Rockport 1 mile walk test. A formula combining height, weight, heart rate, and time to complete the walk gave the final estimates of the maximal oxygen uptake (VO2). 15 of the participants performed in treadmill based assessments. According to the article, the fitness test was valid due to the correlation between the Rockport test and the treadmill VO2 scores. In another session in study 1, a flanker task was performed. Participants were asked to respond to the middle arrow in a row of arrows either pointing the same direction or opposite directions. Each was presented half the time. They were scanned with an echo planar imaging device. There were 145 images for each participant for each 5 min block. The outcome was percent increase in reaction time to incongruent stimuli over and above the average reaction time of congruent stimuli. This shows that the reaction time was unbiased from incongruent to congruent. Results for behavioral interference by the inconsistent flanking items show that high-fit adults are more efficient in dealing with conflicting cues with 18% interference and low-fit had 26%…
A replication of Task Switching Monsell 2003 experiment was done, which predicts a time cost when switching tasks. 18 participants had to complete 100 randomized trials, switching between task-repeat and task-switching trials. Reaction Times (RT) were recorded and reflected by experimenters, to determine that there is a time cost involved when switching tasks as opposed to repeating the same task.…
Throughout the day, people constantly find themselves starting, stopping and finishing many different cognitive tasks. This study was conducted to discover the effect that task switching has on performance. Thirty eight students participated in this experiment. They were asked to complete both repeating and switching tasks. The 100 total tasks were fully randomized with 50 task repeating and 50 task switching. It was hypothesized that when a participant will be asked to switch a task over repeating one, he or she will be significantly slower in reacting. The collected data revealed that in fact, the reaction time for task switching trials was significantly higher than for repeating ones. These findings supported the hypothesis. One can conclude from here that when one switches between cognitive tasks they can expect themselves to perform less than optimally then when they repeat the same task over and over.…
All plants have stoma to help regulate how much water is taken and released along with the other chemicals involved. Stomatal density is the number of stomata per unit area of a leaf. The experiment conducted with leaves along a water source and away from a water source was to analyze the stomatal density difference. This experiment was performed to measure which environment had a greater effect on stomatal density. Stomata of a leaf is a miniature pore in the epidermis of a leaf surrounded by guard cells that have a slit which allow movement of gases in and out of the leaf.…
The Stroop test, on the other hand, is a neuropsychological test that measures a person’s attention span in response to both visual and verbal stimulation in order to investigate individual executive functioning and potential cognitive deficits as they relate to conflict resolution and behaviors. Stroop testing is an efficient assessment for identifying appropriate and inappropriate behaviors in a conflict since it evaluates participants on levels of cognitive functioning. For example, according to Reichelt (2010), “deficits in cognitive flexibility often occur as a result of impaired frontal function, either through drug abuse, acute physical insult or a chronic disease…. Thus, by integrating information about an intended goal, the prefrontal…
As a result, his second and third distracted attempts lead to the highest times, both attempts at 430. This is evident across the board for all participants for their third attempt, such as Ms.Scholl’s third attempt at 350 or Mr. Green’s third attempt at 350 as well. There is a direct link between the amount of user-input in a distraction and the reaction time of the…