Answer:
Simple Random Sampling
Explanation:
Sampling is the process of drawing a small group of representative people from population.
Random Sampling is when all the units of population have equal chance of being chosen as a sample.
Simple Random sampling is choosing a subset randomly from the entire set.
Researcher recruiting participants for experiment by posting announcement in psychology department, asking for volunteers. It is a simple random sampling as sample is randomly drawn by invitation to volunteer from the population of all people in psychological department.
Answer: (e) peer review
Explanation:
Peer review is the evaluation of an author's work by a group of experts, scholars, and professionals within the same field so as to check the authenticity, validity, and quality of such work, and also determine if it is worthy of publication. Such review also helps to determine if a work would be accepted or not.
Subjecting a work to peer review helps to maintain the quality of research work carried out as this comes with placing restrictions on work which do not meet the required standard or have inaccurate or false claims.
The correct sentence of the four is this one:
<span>Neither the train nor the bus runs that late.
and in this sentence the verb agrees with the compound subject, in the rest it does not (but it would not be a big mistake if the verb was in plural form here- there are arguments for a plural form here too).</span>