The types of rating scales universally adopted are
1). . nominal and ordinal
2). ratio and interval
3). nominal and interval
4). nominal, ordinal, interval and ratio
Quota sampling is used intensively in which type of research?
1). Experimental research
2). Market research
3). Action research
4). Ethnographic research
A researcher commits Type I Error when he
1). accepts Null hypothesis when it is true.
2). rejects the Null Hypothesis when it is true.
3). rejects Null hypothesis when it is false.
4). accepts Null hypothesis when it is false.
What is not correct about non-parametric tests of statistical analysis?
1). They require much larger a sample to obtain the power efficiency which is yielded by a parametric test with a particular size
2). They are wasteful of data
3). Their power efficiency is always low
4). They are less economical.
Research that is done to understand an event from the past is known as ........ ?
1). archival research
2). replication
3). experimental research
4). historical research