Answer:
Answer is A. Learning by doing.
Explanation:
In the far olden days, during the colonial era, the farmers only improve on their productivity through the process of doing it. This involves trial and error process. It is so because, there wasn't technology and no form of modern education that will help them to carry out research before execution, they only depend on their instincts. This means that, they execute what they think and learn from it.
Observer bias relates mainly to
"Researchers" whereas observer effects stem from
"participants".
Observer bias<span> which otherwise is known as experimenter bias or research bias etc. is an
inclination to observe what a researcher wishes to see. It states that the
researcher has a prior knowledge about the experiment group while observer effect
refers to the act in science when the act of observing will manipulate the experience
being observed.</span>
<span> </span>
Because he felt that there should be power
Comparative advantage is the lowest opportunity cost, absolute advantage is the best producer.
Answer:
Explanation:Roediger and Karpicke (2006) investigated whether the test-enhanced learning effect (the demonstration that repeated testing improves memory for material) was due merely to repeated exposure to material. They randomly assigned participants to one of two study conditions (study-study or study-test) and to one of three retention interval conditions (final test at a delay of 5 minutes, 2 days, or 1 week). The dependent variable was the proportion of idea units recalled from an encyclopedia passage. How would you label the analysis for these data?A. 2 × 2 within-groups ANOVAB. 2 × 3 within-groups ANOVAC. 2 × 3 between-groups ANOVAD. 4 × 2 between-groups ANOVA
Answer:
Explanation: