Answer:
portfolio assessments
Explanation:
Portfolio assessments -
It refers to the proper collection of the works of the student , which is given as home work or classwork by the teacher , is referred to as portfolio assessments .
The teachers is asked to collect the work for a period of time , in order to track the improvement of the student in a proper manner .
Hence , from the given scenario of the question ,
The correct answer is portfolio assessments .
If Ken does not account for variables such as age that could also influence one's ability to recall these events, age could be considered a "confounding variable".
A confounding variable is an outside impact that progressions the impact of a dependent and independent variable. This incidental impact is utilized to impact the result of a experimental plan. Basically, a confounding variable is an additional variable went into the condition that was not represented. confounding variables can demolish an examination and deliver futile outcomes. They propose that there are connections when there truly are definitely not.
Answer:A
Explanation:
Given Both works for 10 hours
Arnold produces 6 baskets per hour and Will Produces 4 baskets per hour
so in 10 hours
Arnold produces 
Will produces
So in same time Arnold Produces more baskets hence his Productivity is more