<h2><u><em>1 point: There is no hypothesis stated.
</em></u></h2><h2><u><em>1 point: In asking for volunteers, the teacher is taking a nonrandom sample that is probably not representative of the population of interest.
</em></u></h2><h2><u><em>1 point: Neither dreams nor nightmares are operationally defined, so they might be interpreted differently by later researchers.
</em></u></h2><h2><u><em>1 point: The research is not blind. The teacher could influence the results by the way he asked questions.
</em></u></h2><h2><u><em>(choose 2)</em></u></h2>
Answer: The Corruption Perceptions Index is an index published annually by Berlin-based Transparency International since 1995 which ranks countries "by their perceived levels of public sector corruption, as determined by expert assessments and opinion surveys."
Hope this helps........ Stay safe and have a Merry Christmas!!!!!!! :D
Answer: The grand narrative
Explanation:
The grand narrative is term which refers to the master narrative that is introduced in the year 1979 by the Jean-Francois and it basically examine the thoughts of the people about their past, future and the present.
The grand narrative is basically helps in explore the various types of conventions and also interpretation the unified story of the human kind with the human experiences.
According to the given question, the grand narrative is one of the concept that helps in explain about the ideological and the institutional form of the knowledge.
Therefore, Grand narrative is the correct answer.
The answer is ( He excommunicated those secular rulers who refused to accept hi vision and yield on the issue of lay investiture.)
