Research Methods Crossword

What research method shows a relationship between two variables? (11)
Ethical Issue that deals with protection of participant identity. (15)
Type of observation that has high control over variables. (10)
Number scale used in questionnaires. (6)
Pre-studies to make sure the actual experiment will present acceptable results. (5)
When experimenters collect their own data. (7,4)
Using a fake drug. (7)
Variables personal to the participant that may affect the results of the study. (11)
difference between the highest and lowest value. (5)
The variable psychologists measure. (9)
The theory a psychologist wants to study. (10)
The average value. (4)
Sampling technique where the researcher chooses participants who are willing and available. (11)
Theory where there will be no outcome. (4)
Informed ... (7)
The middle value. (6)
Subjective method of collecting data on a singe participant (4,5)
Sampling every time a certain behaviour is displayed. (5)
2 groups of participants complete both scenarios but in opposite orders. (8,8)
The subgroup of the population that participates in the study. (6)
All of the individuals which the study applies to. (9)
Experiment that manipulates an independent variable without the random assignment of participants to conditions or orders of conditions. (5)
Type of graph used to present data. (3,5)