Which of the following deos not measure trait anxiety

Which of the following standardizes meaning within an experiment, by defining a concept in terms of specific operations or procedures used to measure it

Experimenter bias can be controlled by or reduced by

The name for a geometric figure used as the object of focus during meditation is 

Deciding the technique to be used in selecting the items of the sample is 

Different dimensions of a dependent variable are

1. Latency, topography, force and locus
2. Duration, latency, topography and focus
3. Frequecny, rate, latency and force
4. Level, latency, force and locus

Of the statements :