FINAL EXAM IN AGRI-8: AGRICULTURAL RESEARCH

Any procedure , material, condition or anything which is controlled or applied to test organism, condition, process or system under required conditions, process or system under required conditions.

• Treatment

• Replication

• Experimental Unit

• Randomization

It is the process of randomization.

• Fish bowl technique

• Drawing of cards

• Tossing of dice

• All of the above

The procedure used in arranging or assigning treatments in the experimental site or set up or site.

• Experimental design

• Randomization

• Experimental Unit

• Blocking

Research design that is appropriate for experiments with homogeneous experimental units such as laboratory experiments where environmental effects are easy to control.

• Randomized Complete Block Design

• Split- Plot Design

• Completely Randomize Design

• none of the above

Research design that is used when the experimental materials or study environments are heterogeneous.

• Randomized Complete Block Design

• Split- Plot Design

• Completely Randomize Design

• none of the above

The most common validity threats.

• history

• testing

• instrumentation

• all of the above

It refers to the entirely of experimental subjects or units contained in the study from where samples are drawn.

• sampling size

• population

• sample

• sampling unit

Researchers are studying a rare disease. They find a support group for the disease online and recruit participants from that group. What type of sampling is this?

• Convenience sampling

• Purposive sampling

• Snowball sampling

• Cluster sampling

A mall kiosk selling phone cases wants to get customer feedback. They ask everyone who walks by for their opinion. What type of sampling is this?

• Systematic sampling

• Convenience sampling

• Quota sampling

• Judgement sampling

A researcher wants to study political opinions in a large city. The city is divided into four districts (North, South, East, and West) with known populations. She randomly selects a proportional number of people from each district to survey. What type of sampling is this?

• Simple random sampling

• Stratified sampling

• Quota sampling

• Snowball sampling