6.
									
										A researcher attempts to evaluate the effect of method of feeding on anxiety- proneness of children. Which method of research would be appropriate for this? 
									
								
															
														
																									
										A:
											Case study method
									
																										
										B:
											Experimental method
									
																										
										C:
											Ex-post-facto method
									
																										
										D:
											 Survey method
									
																								 
							
																
									The answer is:
										C