Create a 5 pages page paper that discusses critical appraisal of research. About the Research Article This pilot research has been undertaken by Yael Goverover, Juan Carlos Arango-Lasprilla, Frank G. Hillary, Nancy Chiaravalloti and John DeLuca in order to prove that spacing effect. learning with intervals in between, is a much better way to learn things and recall them later if compared with cramming it by the mass method, which involves study trials consecutively. This very relatable, as students generally remember what they’ve been learning in their class room discussions rather than the last minute cramming session that they under take. Hence, a very common yet a psychologically appealing method has been enforced here in this research. This research comprises of two with groups: TBI (Traumatic Brain Injury) and HC (Healthy Control participants). And two within group conditions: Time and Space. The with group participants were taken to show the assessment that will derive their desirable results. Actually it would show the reactions between a test group: HC’s, and the experiment group: TBI’s. in this research, a total of 10 TBI were taken and 15 HC were incorporated. Before the research started the researches made sure that the TBI had suffered the brain injury more than a year ago. Moreover, all the participants came to take part in this research as a result of a pamphlet that was sent to various local places and they responded accordingly. This research included tests which verified that spacing method is way better than learning through the mass method and that the knowledge gained from the former one proves to be substantial as it can be used in functional tasks. Those tasks included. paragraph-learning, route learning, Digit Span subtest, Symbol Digit Modalities Test (SDMT)–Oral Version, California Verbal Learning Test and three subtests of the Delis–Kaplan Executive Function System. The main question that concerns this research is the application of the spacing effect on TBI and whether it can help them in performing functional tasks. In this pilot study the researches have focused on memory learning, recalling and paying attention to what the tasks have been allocated to them. This research does not go on further as to include the various other daily tasks that might need more attention than reading and learning maps, such as driving. Concerns of this research This study also looks at the matter at hand by going through a series of tasks assigned to the participants both the Traumatic Brain Injury/TBI’s and the HC’s/ Healthy Controlled participants and then figuring out percentages and other empirical date through which they display the gap between learning’s from mass method and the spacing effect method. The result has been displayed through a table followed by a graph, whose curves are enough to show the degree of variation found between the two. The title of this pilot study and the concern of the researches was to show that spacing effect is more effective than the mass method, as it says, “Thus, both the HC and TBI participants showed a similar pattern of learning whereby they benefitted by the spaced conditions as compared with the massed condition when learning the paragraph.” This holds true for the Route Learning Task as well for both the participants.